A medication used to relieve cough, nasal congestion, and allergy-related symptoms by combining an antihistamine with an expectorant. It helps reduce histamine-induced allergic reactions and promotes mucus clearance from the airways.

Indications:
- Relief of cough and cold symptoms.
- Treatment of nasal congestion.
- Relief of allergy symptoms such as a runny nose, watery eyes, and itching.

Main Active Ingredients:
- Diphenhydramine Hydrochloride.
- Ammonium Chloride.

Precautions:
- Not recommended for children under 6 years of age.
- Use with caution during pregnancy and breastfeeding; consult a physician before use.
- Avoid driving or operating machinery as diphenhydramine may cause drowsiness.
- Keep out of reach of children.

Side Effects:
- Drowsiness.
- Dry mouth, nose, or throat.
- Dizziness.
- Gastrointestinal upset such as nausea or vomiting.
- Allergic skin reactions.

Drug-Drug Interactions:
- May interact with alcohol and other central nervous system depressants, increasing drowsiness.
- May interact with monoamine oxidase inhibitors (MAOIs).
- Use with caution if taken with other antihistamines or cough/cold medications.