Diphenhydramine Hydrochloride Injection

This product is a derivative of ethanolamine. Its antihistamine effect is not as good as promethazine, and its duration of action is also shorter. The sedative effect of the two drugs is the same, with local anesthetic, antiemetic and anti-M cholinergic effects. 1. Antihistamine effect, which can compete with histamine released from tissues for H1 receptors on effector cells, thereby stopping allergic reactions; 2. Inhibition of central nervous system activity causes sedative and hypnotic effects; 3. Strengthen the effect of antitussive drugs; 4. It also has anti-vertigo and anti-tremor paralysis effects.

The main ingredient of this product is diphenhydramine, and its chemical name is: N, N-dimethyl-2-(diphenylmethoxy)ethylamine hydrochloride

This product is a colorless clear liquid.

Mainly used for: 1 Skin and mucous membrane allergies, such as urticaria, angioedema, allergic rhinitis, pruritus, drug eruption, and is also effective for insect bites and contact dermatitis; 2 Prevention and treatment of motion sickness, with a strong antiemetic effect; 3 Parkinson's disease and extrapyramidal symptoms; 4 Sedation and hypnosis; 5 Strengthen the effect of antitussive drugs, suitable for treating coughs caused by colds or allergies.

Deep intramuscular injection, 20 mg (1 vial) at a time, 1 to 2 times a day.

1 Common symptoms include: central nervous system depression, ataxia, nausea, vomiting, loss of appetite, etc. 2 Rare symptoms include: shortness of breath, chest tightness, cough, dystonia, etc. There are reports that trismus and laryngeal spasm may occur after administration. 3 Occasionally, it may cause rash, neutropenia, anemia and heart rate disturbance.

It is contraindicated for patients with myasthenia gravis, angle-closure glaucoma, prostatic hypertrophy, those who are allergic to this product and excipients, newborns, and premature infants.

1. This product can temporarily affect the absorption of barbiturates and sodium sulfacetamide. 2. When used together with sodium para-aminosalicylate, it can reduce the latter's blood concentration. 3. It can enhance the effect of central nervous system depressants.

Keep in a dark place and sealed (10-30℃). Validity period: tentatively 24 months.

1ml:20mg

Shandong Xinhua Pharmaceutical Company Limited

• Founded in:

  1998-11-20

• Address:

  Chemical Industry Zone, Zibo High-tech Industrial Development Zone

• Tax NO.:

  91370300164103727C

• Registered Funds:

  682,407,635 yuan

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