benadryl hay fever

Duration varies by product: some listings state about 4 hours, others about 6 hours, and some describe relief as "four to six hours."

Listed strengths include 12.5 mg per 5 mL (children's liquids), 25 mg (tablets/liqui‑gels), and 50 mg (extra‑strength tablets).

Common warnings include consulting a doctor for breathing problems or glaucoma, avoiding other diphenhydramine products, using caution while driving, and keeping the medicine out of reach of children.

Yes. Several listings note dye‑free formulations, and some children's liquid products are labeled alcohol‑free and sugar‑free.

Package sizes shown include 4 fl oz and 8 fl oz liquid bottles, tablet counts such as 24 and 100, and at least one trial/mini/travel size option.