Last reviewed 2026-04-19 · How we verify

Benadryl

At a glance

Approved indications

• Allergic conjunctivitis
• Insomnia
• Seasonal allergic rhinitis
• Vasomotor rhinitis

Common side effects

No common side effects on file.

Key clinical trials

• The CHECK Trial: A Comparison of Headache Treatment in the Emergency Department: Compazine Versus Ketamine. A Multi-Center, Randomized, Double-Blind, Clinical Control Trial (Phase 3)
• Effects of Losartan vs. Nebivolol vs. the Association of Both on the Progression of Aortic Root Dilation in Marfan Syndrome (MFS) With FBN1 Gene Mutations. (Phase 3)
• Randomized Controlled Trial for Assessment of a Novel Non-Pharmacologic Intervention for Decrease in Altitude Illness (NA)
• Characterization of a Population Living in Highly Contaminated Settlement in Campania Region (N/A)
• Comparative, Randomized,, Single Dose, Open-label, Crossover Bioequivalence Study of LOSANET AM PLUS 10mg/100mg/12.5 mg Tablets (One Tablet) of (PHARMALINE, Lebanon) Versus NORVASC 10mg Tablets (One T (Phase 1)
• A Single Dose, 2-Period, 2-Treatment Bioequivalency Study of Losartan Potassium Tablets 100 mg Under Fasted Conditions (NA)
• Subglottic Instillation of Flurbiprofen to Prevent Laryngeal Inflammation Resulting From Endotracheal Intubation: Prospective Pilot Study, Randomized, Double Blind, Placebo Controlled. (Phase 2)
• TREC-Lebanon Trial: A Randomised Controlled Trial for Rapid Tranquilisation for Agitated Patients in the Emergency Setting (Phase 4)

Primary sources

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