| Hepatitis B vaccination during pregnancy for preventing infant infection |
| Hepatitis B vaccine prevents hepatitis B infection in health-care workers |
| Hepatitis B vaccine, hepatitis B immunoglobulin, and hepatitis B vaccine plus immunoglobulin prevent perinatal transmission of hepatitis B |
| Hepatitis B vaccines achieve antibody production in patients with chronic renal failure, but we do not know if the vaccines are protective |
| Hepatitis B virus vaccine for People Living With HIV/AIDS |
| Herbal interventions for chronic asthma in adults and children |
| Herbal medicine for cervical degenerative disc disease |
| Herbal medicine for low-back pain |
| Herbal medicine for people with diabetic retinopathy |
| Herbal medicine for relapse and metastasis in patients operated for colorectal cancer |
| Herbal medicines containing beta-sitosterols may help to relieve the urinary symptoms and urinary flow problems caused by an enlarged prostate gland (benign prostatic hyperplasia) |
| Herbal medicines for advanced colorectal cancer |
| Herbal medicines for fatty liver diseases |
| Herbal medicines for systemic lupus erythematosus |
| Herbal medicines for the treatment of inflammatory bowel disease |
| Herbal medicines for treatment of irritable bowel syndrome |
| Herbal medicines for type 1 diabetes mellitus |
| Herbal medicines for viral myocarditis |
| Herbal medicines to prevent dental caries |
| Herbal preparations for the treatment of women with uterine fibroids |
| Herbal preparations for weight loss in adults |
| Herbal products for neuropathic pain |
| Herbal therapy for rheumatoid arthritis |
| Herbal treatment for premenstrual syndrome |
| High dose chemotherapy and autologous bone marrow or stem cell transplantation versus conventional chemotherapy for women with metastatic breast cancer |
| High dose radiation treatment may improve survival for people with non-small cell lung cancer, but more trials are needed |
| High dose rate versus low dose rate intracavity brachytherapy for locally advanced uterine cervix cancer |
| High dose versus low dose inhaled corticosteroid as initial starting dose for asthma in adults and children |
| High dose versus low dose intravesical interferon-alpha 2b for the treatment of carcinoma in situ of the bladder |
| High dose versus low dose opioid epidural regimens for pain relief in labour |
| High dose versus standard dose proton pump inhibitor for short term management of erosive reflux oesophagitis |
| High doses of opioid medicines for the management of chronic non-cancer pain |
| High flow nasal cannula oxygen therapy for respiratory support in term infants |
| High frequency jet ventilation versus high frequency oscillatory ventilation for pulmonary dysfunction in preterm infants |
| High frequency oscillatory ventilation versus conventional ventilation for infants with severe pulmonary dysfunction born at or near term |
| High initial concentration versus low initial concentration sevoflurane for inhalational induction of anaesthesia |
| High population coverage of DEC-medicated salt maintained over at least six months in a community is effective at reducing transmission of lymphatic filariasis and can, if maintained over a long enough period, completely interrupt transmission |
| High pressure (hyperbaric) oxygen therapy for Bell's palsy |
| High protein supplementation in pregnancy |
| High quality evidence suggests Vitamin D can reduce asthma attacks |
| High versus low dose of initial thyroid hormone replacement for congenital hypothyroidism |
| High versus low ligation of the inferior mesenteric artery in curative surgery for non-metastatic rectal cancer |
| High versus low medium chain triglyceride content of formula for promoting short-term growth of preterm infants |
| High versus low thresholds for repeat administration of surfactant in intubated preterm neonates |
| High versus standard volume feeds to promote growth in preterm or low birth weight infants |
| High- versus low-dose conventional phototherapy for neonatal jaundice |
| High-carbohydrate, high-protein, low-fat tube feeds versus low-carbohydrate, high-protein, high-fat tube feeds for patients with severe burns |
| High-dose caffeine compared to standard-dose caffeine in preterm newborns at risk of lung disease |
| High-dose chemotherapy (HDC) and autologous haematopoietic cell transplantation (AHCT) for children, adolescents, and young adults with a first recurrence of Ewing sarcoma |
| High-dose chemotherapy and bone marrow or stem cell transplantation for early poor prognosis breast cancer using a woman's own cells (autologous) |
| High-dose chemotherapy and haematopoietic cell transplantation for children, adolescents, and young adults with metastatic Ewing sarcoma at diagnosis |
| High-dose chemotherapy and stem cell transplant compared to conventional therapy for children with high-risk neuroblastoma |
| High-dose chemotherapy followed by autologous hematopoietic stem cell transplantation for nonrhabdomyosarcoma soft tissue sarcomas |
| High-dose chemotherapy followed by autologous stem cell transplantation for patients with relapsed/refractory Hodgkin lymphoma |
| High-dose chemotherapy for children and young adults with metastatic rhabdomyosarcoma |
| High-dose chemotherapy plus single vs tandem autologous transplantation as initial treatment for multiple myeloma |
| High-dose chemotherapy with autologous stem cell support for first-line treatment of aggressive non-Hodgkin lymphoma: a systematic review and meta-analysis based on individual patient data |
| High-dose chemotherapy with autologous stem cell transplantation in the first line treatment of aggressive Non-Hodgkin Lymphoma (NHL) in adults |
| High-dose therapy with autologous stem cell transplantation for patients with chronic lymphocytic leukaemia |
| High-dose versus low-dose oxytocin infusion regimens for induction of labour |
| High-flow nasal cannula (tube) oxygen therapy for infants with bronchiolitis |
| High-flow nasal cannula therapy for support of breathing in children |
| High-flow nasal cannulae for breathing support in adult intensive care patients |
| High-frequency oscillation for the treatment of acute respiratory distress syndrome (ARDS) |
| High-intensity focused ultrasound for symptomatic uterine fibroids |
| High-intensity interval training for reducing cardiometabolic syndrome in healthy but sedentary populations |
| High-pressure oxygen breathing during radiotherapy for cancer treatment |
| High-pressure oxygen therapy for children and adults with autism spectrum disorder (ASD) |
| High-volume haemofiltration for sepsis |
| Higher initial doses of surfactant for the prevention or treatment of respiratory distress syndrome in preterm infants |
| Higher or lower levels of oxygen for adults admitted to the intensive care unit |
| Higher versus lower amino acid intake in parenteral nutrition for newborn infants |
| Higher versus lower blood pressure targets in adults with shock |
| Higher versus lower humidity for the prevention of morbidity and mortality in preterm infants in incubators |
| Higher versus lower protein intake in formula-fed low birth weight infants |
| Higher-protein formula versus lower-protein formula: which works better to prevent malnutrition and obesity in infants? |
| Hip protectors for preventing hip fractures in older people |
| Hip replacement surgery in adults |
| Hip resurfacing versus traditional total hip arthroplasty for osteoarthritis and other non-traumatic diseases of the hip |
| Histamine type 2 receptor antagonists as adjuvant treatment for resected colorectal cancer |
| Histamine-blocking drugs for hives |
| Histologic measurement tools for evaluating disease in ulcerative colitis patients |
| Histologic measurement tools for evaluation of disease activity in Crohn’s disease |
| HIV prevention advice for people with serious mental illness |
| HMG CoA reductase inhibitors (statins) for kidney transplant recipients |
| HMG CoA reductase inhibitors (statins) for preventing acute kidney injury after surgical procedures requiring cardiac bypass |
| Holding chambers (spacers) versus nebulisers for delivery of beta-agonist relievers in the treatment of an asthma attack |
| Holding chambers versus nebulisers for inhaled steroids in chronic asthma |
| Holmium laser enucleation of the prostate for the treatment of lower urinary tract symptoms in men with benign prostatic hyperplasia |
| Home or foster home alternatives to institutional long-term care for functionally dependent older people |
| Home parenteral nutrition for people with bowel obstruction caused by cancer |
| Home safety education and providing safety equipment for injury prevention |
| Home use of devices for cleaning between the teeth (in addition to toothbrushing) to prevent and control gum diseases and tooth decay |
| Home versus in-patient treatment for deep vein blood clots |
| Home versus inpatient induction of labour |
| Home visiting for disadvantaged adult mothers |
| Home visiting for postpartum depression |
| Home visiting for socially disadvantaged mothers |
| Home visits during pregnancy and after birth for women with an alcohol or drug problem |
| Home visits in the early period after the birth of a baby |
| Home- versus hospital-based treatment for uncomplicated newborn jaundice in term infants |
| Home-based care for reducing morbidity and mortality in people infected with HIV/AIDS |
| Home-based chemical bleaching of teeth in adults |
| Home-based child development programmes for preschool children from socially disadvantaged families |
| Home-based end-of-life care |
| Home-based exercise therapy for rheumatoid arthritis |
| Home-based HIV voluntary counselling and testing |
| Home-based multidimensional survivorship programmes for breast cancer survivors |
| Home-based post-discharge parental support to prevent morbidity in preterm infants |
| Home-based social support for socially disadvantaged mothers |
| Home-based specimen collection in the management of chlamydia and gonorrhoea infections |
| Home-based support for disadvantaged teenage mothers |
| Home-based therapy programmes for upper limb functional recovery after stroke |
| Home-based versus supervised centre-based cardiac rehabilitation |
| Home-use whitening toothpastes for removal and prevention of stains in adults |
| Home-use whitening toothpastes for whitening teeth in adults |
| Homeopathic medicines for adverse effects of cancer treatments |
| Homeopathic Oscillococcinum® for preventing and treating influenza and influenza-like illness |
| Homeopathy for ADHD |
| Homeopathy for chronic asthma |
| Homeopathy for osteoarthritis |
| Homeopathy for reducing blood loss in the third stage of labour |
| Homeopathy for treatment of irritable bowel syndrome |
| Homocysteine lowering interventions for peripheral arterial disease (PAD) and bypass grafts |
| Homocysteine-lowering interventions (B-complex vitamin therapy) for preventing cardiovascular events |
| Homoeopathy for induction of labour |
| Honey and lozenges for children with non-specific cough |
| Honey as a topical treatment for acute and chronic wounds |
| Honey for acute cough in children |
| Honouring Cochrane's Volunteer Translators: Bridging Language Gaps in 2024 |
| Hormonal and intrauterine methods for birth control in women age 25 years or younger |
| Hormonal and nonhormonal birth control during breastfeeding |
| Hormonal birth control and fracture risk in observational studies |
| Hormonal contraception for women at risk of HIV infection. |
| Hormonal contraceptive use and depression |
| Hormonal contraceptives and bone health in women |
| Hormonal treatment for uterine adenomyosis |
| Hormone contraceptives and how the body uses carbohydrates in women without diabetes |
| Hormone contraceptives for women with sickle cell anemia |
| Hormone replacement for osteoporosis in women with primary biliary cirrhosis |
| Hormone replacement therapy (HRT) for women previously treated for endometrial cancer |
| Hormone replacement therapy for menopausal symptoms in women who have undergone surgical treatment for epithelial ovarian cancer |
| Hormone replacement therapy for osteoarthritis in peri-menopausal and post-menopausal women |
| Hormone replacement therapy for postmenopausal women: does it help or harm your heart? |
| Hormone replacement therapy for women with type 1 diabetes mellitus |
| Hormone replacement therapy has no effect on body weight and cannot prevent weight gain at menopause. |
| Hormone therapy for postmenopausal women with intact uterus |
| Hormone therapy for preventing cardiovascular disease in both healthy post-menopausal women and post-menopausal women with pre-existing cardiovascular disease |
| Hormone therapy for women with endometriosis and surgical menopause |
| Hormone treatment may be ineffective in treating people with viral myocarditis |
| Hormones for birth control in overweight or obese women |
| Hormones for contraception (birth control) in men |
| Hormones for suspected impaired fetal growth |
| Horse chestnut seed extract for long-term or chronic venous insufficiency |
| Hospital design for older people with cognitive impairment including dementia and delirium: supporting inpatients and accompanying persons |
| Hospitalisation and bed rest for multiple pregnancy |
| Hospitalisation in short-stay units for adults with internal medicine diseases and conditions |
| House dust mite avoidance measures for perennial allergic rhinitis |
| House dust mite reduction and avoidance measures for treating eczema |
| House modifications for preventing malaria |
| Household interventions for preventing domestic lead exposure in children |
| Housing improvement as an investment to improve health |
| How accurate are alternative laboratory-based molecular tests (to RT-PCR with prior RNA extraction/purification) for identifying people infected by SARS-CoV-2? |
| How accurate are asking about symptoms and doing a chest X-ray to screen for tuberculosis of the lungs among adults who are HIV-negative or with unknown HIV status? |
| How accurate are cognitive assessment tools, that are completed by people themselves, at detecting dementia? |
| How accurate are cognitive assessment tools, that are completed by people themselves, at detecting dementia? |
| How accurate are computerised tomography (CT) scans for detecting liver cancer? |
| How accurate are contrast-enhanced ultrasound scans for detecting hepatocellular carcinoma? |
| How accurate are diagnostic tools for autism spectrum disorder in preschool children? |
| How accurate are different types of sample collection for diagnosing COVID-19 infection? |
| How accurate are GAD-7 and GAD-2 questionnaires for detecting anxiety disorders? |
| How accurate are magnetic resonance imaging (MRI) scans for detecting liver cancer? |
| How accurate are nucleic and antigen detection tests in diagnosing leptospirosis? |
| How accurate are rapid antigen tests for diagnosing COVID-19? |
| How accurate are rapid antigen tests for diagnosing COVID-19? |
| How accurate are remote, virtual assessments at diagnosing dementia? |
| How accurate are remote, virtual assessments at diagnosing dementia? |
| How accurate are routine laboratory tests for diagnosis of COVID-19? |
| How accurate are routine laboratory tests for diagnosis of COVID-19? |
| How accurate are routine laboratory tests in predicting mortality and deterioration to severe or critical COVID-19 in people with SARS-CoV-2? |
| How accurate are routine laboratory tests in predicting mortality and deterioration to severe or critical COVID-19 in people with SARS-CoV-2? |
| How accurate are screening tests in identifying those at risk of developing primary angle closure glaucoma? |
| How accurate are smartphone applications ('apps') for detecting melanoma in adults? |
| How accurate are sputum Xpert tests for screening for active pulmonary tuberculosis and rifampicin resistance in adults whether or not they have tuberculosis symptoms? |
| How accurate are symptoms and medical examination to diagnose COVID-19? |
| How accurate are tests (Xpert Ultra and Xpert MTB/RIF) for diagnosing tuberculosis outside the lungs (extrapulmonary tuberculosis) and rifampicin resistance? |
| How accurate are tests that diagnose excessive bleeding (postpartum haemorrhage) after women give birth vaginally? |
| How accurate are tests to measure the level of ferritin (a protein that stores iron) in the blood at diagnosing iron deficiency and overload? |
| How accurate are the Addenbrooke's Cognitive Examination III (ACE-III) and mini-ACE for the screening of dementia and mild cognitive impairment (MCI)? |
| How accurate are the FIB-4 score and Forns index (non-invasive tests) in diagnosing liver fibrosis (scarring) stages in adults with chronic hepatitis C? |
| How accurate are the imaging techniques PET and MRI to determine the feasibility of primary debulking surgery for ovarian cancer? |
| How accurate are toe-brachial index and toe systolic blood pressures for peripheral arterial disease? |
| How accurate are Truenat assays for detecting pulmonary tuberculosis and rifampicin resistance in adults and adolescents? |
| How accurate is artificial intelligence for diagnosing keratoconus? |
| How accurate is bedside ultrasound for the diagnosis of injuries to the abdomen or chest in patients with blunt injuries? |
| How accurate is carbon dioxide detection in establishing if a tube inserted through the nose or mouth has been accidentally placed in the airway instead of the stomach in children? |
| How accurate is chest imaging for diagnosing COVID-19? |
| How accurate is chest ultrasonography compared to supine chest radiography for diagnosis of traumatic pneumothorax in the emergency department? |
| How accurate is computed tomography for the diagnosis of acute appendicitis in adults? |
| How accurate is dermoscopy compared to visual inspection of the skin for diagnosing skin cancer (melanoma) in adults? |
| How accurate is duplex ultrasound (DUS) imaging for diagnosing carotid artery stenosis in symptomatic patients? |
| How accurate is exfoliative cytology ('skin scrape' cytology) for diagnosing basal cell carcinoma and other skin cancers in adults? |
| How accurate is high-frequency ultrasound for diagnosing skin cancer in adults? |
| How accurate is magnetic resonance imaging for the early diagnosis of dementia due to Alzheimer's disease in people with mild cognitive impairment? |
| How accurate is MR perfusion, an advanced MRI method, for differentiating low-grade gliomas from high-grade gliomas in children and adults? |
| How accurate is the ABeta42 test for distinguishing Alzheimer's disease from other types of dementia in patients seen in a specialist clinic? |
| How accurate is the AD-8 informant questionnaire for diagnosing dementia in all healthcare settings? |
| How accurate is the CAM-ICU tool for the diagnosis of delirium in adult patients admitted to critical care units? |
| How accurate is the CAM-ICU tool for the diagnosis of delirium in adult patients admitted to critical care units? |
| How accurate is the Mini-Cog in detecting dementia among patients in inpatient and outpatient hospital settings? |
| How accurate is the mini-cog test when used to assess dementia in general practice? |
| How accurate is visual inspection of skin lesions with the naked eye for diagnosis of melanoma in adults? |
| How best to treat progressive disseminated histoplasmosis in people with HIV |
| How can adults with bronchiectasis be encouraged to take treatments as prescribed by their health professional? |
| How can caregivers manage pain in infants and young children undergoing painful procedures? |
| How can communication about the end of life and care in the last 12 months of life be improved? |
| How can I become a Cochrane author? |
| How can response to postal or web questionnaires be increased? |
| How can response to postal or web questionnaires be increased? |
| How can response to postal or web questionnaires be increased? |
| How can we best filter systematic reviews in MEDLINE and Embase? |
| How can we communicate better with people and communities about measures which help to prevent and control COVID-19? |
| How can we communicate better with people and communities about measures which help to prevent and control COVID-19? |
| How can we communicate better with people and communities about measures which help to prevent and control COVID-19? |
| How Cochrane is responding to COVID-19 in 2021 |
| How Cochrane is using Microsoft technology to improve the efficiency of systematic review production |
| How do different antibiotics compare in terms of safety and treatment effectiveness for people with bronchiectasis? |
| How do different treatments for the vision disorder, convergence insufficiency, compare in effectiveness? |
| How do minimally invasive treatments compare to traditional surgery for treating lower urinary tract symptoms in men? |
| How do vitamins E and C, beta-carotene, selenium and glutathione affect lung disease in people with cystic fibrosis? |
| How do welfare-to-work interventions for lone parents affect adult and child health? |
| How does changing pressure in continuous positive airway pressure machines increase their usage by adults with sleep apnoea? |
| How does real-time video counselling compare to telephone counselling for helping people quit smoking? |
| How does using technology to deliver pulmonary rehabilitation (PR) compare to centre-based PR, or no PR in people with chronic lung disease? |
| How effective and safe are single-incision slings for women with urinary incontinence compared with other operations? |
| How effective and safe are single-incision slings for women with urinary incontinence compared with other operations? |
| How effective and safe are systemic opioids for postoperative pain control and management in neonates? |
| How effective and safe is a drug called 'isotretinoin', taken via tablet, for acne vulgaris? |
| How effective are antidepressants used to treat chronic pain and do they cause unwanted effects? |
| How effective are different physical rehabilitation approaches in the recovery of function, balance, and walking after stroke? |
| How effective are different ways to help people living with HIV stop using tobacco, and do they cause unwanted effects? |
| How effective are dressings and topical agents in the management of wounds after surgical treatment for pilonidal sinus of the buttocks? |
| How effective are home improvements and other strategies designed to help older people with low vision move around safely? |
| How effective are hydrogel dressings for helping donor site wounds to heal after split-thickness skin grafts? |
| How effective are individualised doses of hormones for women trying to become pregnant through in vitro fertilisation (IVF)? |
| How effective are initiatives that aim to speed up the diagnosis of brain tumours? |
| How effective are medications and e-cigarettes for quitting smoking, and what works best? |
| How effective are medications given alongside antipsychotics at preventing weight gain in people with schizophrenia? |
| How effective are medicines used to prevent attacks of vestibular migraine |
| How effective are medicines used to treat attacks of vestibular migraine? |
