H 501 PILL- IDENTIFICATION, MECHANISM OF ACTION, SIDE EFFETCS
The H 501 pill is a prescription medication containing Hydroxyzine Hydrochloride 25 mg. Manufactured by Avet Pharmaceuticals (formerly Heritage Pharmaceuticals), it belongs to the class of first-generation receptor antihistamines.
Unlike over the counter antihistamines primarily used for seasonal allergies, hydroxyzine possesses significant central nervous system (CNS) effects and is frequently prescribed for anxiety, generalized itching (pruritus), hives (urticaria), and pre-operative sedation.