Sominex
Diphenhydramine Hydrochloride · Tablet, Film Coated · Oral
Active ingredient
Active i ngredient (in each cap let) Diphenhydramine HCl 25 mg
Purpose
Purpose Nighttime sleep-aid
Uses
Use helps reduce difficultly falling asleep
Warnings
Warnings Do not use in children under 12 years of age with any other product containing diphenhydramine, even one used on skin with other antihistamines Ask a doctor before use if you have a breathing problem such as emphysema or chronic bronchitis glaucoma trouble urinating due to an enlarged prostate gland Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers When using this product avoid alcoholic beverages be careful when driving a motor vehicle or operating machinery drowsiness will occur Stop use and ask a doctor if sleeplessness persists continuously for more than 2 weeks. Insomnia may be a symptom of serious underlying medical illness. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of o verdose , get medical help or contact a Poison Control Center (1-800-222-1222) right away.
Do not use
Do not use in children under 12 years of age with any other product containing diphenhydramine, even one used on skin with other antihistamines
Ask a doctor before use
Ask a doctor before use if you have a breathing problem such as emphysema or chronic bronchitis glaucoma trouble urinating due to an enlarged prostate gland
Ask a doctor or pharmacist
Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers
When using this product
When using this product avoid alcoholic beverages be careful when driving a motor vehicle or operating machinery drowsiness will occur
Stop use and ask a doctor
Stop use and ask a doctor if sleeplessness persists continuously for more than 2 weeks. Insomnia may be a symptom of serious underlying medical illness.
Pregnancy or breast-feeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children. In case of o verdose , get medical help or contact a Poison Control Center (1-800-222-1222) right away.
Directions
Directions adults and children 12 years and older : take 2 tablets at bedtime if needed, or as directed by your doctor
Inactive ingredients
Inactive ingredients croscarmellose sodium, dicalcium phosphate, FD&C blue no. 1 lake, hypromellose, lactose, magnesium stearate, microcrystalline cellulose, mineral oil, silica, stearate acid, talc, titanium dioxide, triacetin
Questions?
Questions? 1-866-255-5202
Label text from the FDA structured product label by Medtech Products Inc. (revised Oct 23, 2025). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Diphenhydramine Hydrochloride in 2 products
Sominex NDC products (2)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 63029-554 | Diphenhydramine Hydrochloride 25 mg/1 Tablet, Film Coated | Medtech Products Inc. | OTC MONOGRAPH DRUG |
| 67751-221 | Diphenhydramine Hydrochloride 25 mg/1 Tablet, Film Coated | Navajo Manufacturing Company Inc. | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Sominex used for?
Use helps reduce difficultly falling asleep
Who makes Sominex?
Sominex is listed by 2 labelers in the FDA NDC directory, including Medtech Products Inc., Navajo Manufacturing Company Inc..