Allergy Medicine

Allergy Medicine is an FDA-registered drug product whose active ingredient is DIPHENHYDRAMINE HCL. It is labelled by COSTCO WHOLESALE CORPORATION taken by oral and marketed as a human otc drug product. Identifiers on file: NDC 63981-329, application M012, label effective 20260529. It is one of 90 FDA drug label records sharing the active ingredient DIPHENHYDRAMINE HCL. This page reproduces the FDA-approved label text so you can check what a product is, who makes it and how it is supplied before discussing it with a pharmacist or prescriber.

Across FDA labelling, products containing DIPHENHYDRAMINE HCL are most often described in connection with: temporarily relieves, symptoms due, runny nose, hay fever, upper respiratory, itchy watery, eyes sneezing, common cold. Wording differs between labels, and the full indications section on this page takes precedence when it is present.

Uses temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose itchy, watery eyes sneezing itching of the nose or throat temporarily relieves these symptoms due to the common cold: runny nose sneezing

Directions do not take more than directed take every 4 to 6 hours, or as directed by a doctor do not take more than 6 times in 24 hours adults and children 12 years and over 1 to 2 tablets children 6 to under 12 years 1 tablet children under 6 years do not use

Warnings Do not use to make a child sleepy with any other product containing diphenhydramine, even one used on skin Ask a doctor before use if you have a breathing problem such as emphysema or chronic bronchitis glaucoma difficulty in urination due to enlargement of the prostate gland Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. When using this product excitability may occur, especially in children marked drowsiness may occur alcohol, sedatives, and tranquilizers may increase drowsiness avoid alcoholic beverages use caution when driving a motor vehicle or operating machinery If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.

FDA lists 90 drug label records with DIPHENHYDRAMINE HCL as the active ingredient. The most common dosage forms and the manufacturers with the most records are summarised below; strengths, pack sizes and inactive ingredients can still differ between apparently similar products.

What is Allergy Medicine used for?
Uses temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose itchy, watery eyes sneezing itching of the nose or throat temporarily relieves these symptoms due to the common cold: runny nose sneezing

Who makes Allergy Medicine?
COSTCO WHOLESALE CORPORATION is the labeler of record for Allergy Medicine. 90 FDA label records share the active ingredient DIPHENHYDRAMINE HCL, so generic and branded versions may come from different companies; the manufacturer named on your pack is the one that matters for any enquiry.

What form does Allergy Medicine come in?
administered by oral. Strengths and pack sizes vary by label, so compare the NDC on your pack with the identifier listed on this page.

Is Allergy Medicine prescription or over-the-counter?
The FDA label for this product is recorded as human otc drug. Marketing status can differ between strengths and countries, so check the dispensing rules where you live.

Are there other products containing DIPHENHYDRAMINE HCL?
Yes. 90 FDA drug label records list DIPHENHYDRAMINE HCL as the active ingredient. Products with the same active ingredient can usually be substituted only when a prescriber or pharmacist confirms it is appropriate.

Has Allergy Medicine been recalled?
No FDA recall record in our database matches this product name or manufacturer. Recall data is updated periodically, so a very recent notice may not appear here yet.

Where does this information come from?
All content is reproduced from FDA Structured Product Labelling data via openFDA. It is provided for identification and reference only and is not medical advice.