Diphenhydramine Hydrochloride Injection
Function and Efficacy
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.
Ingredients
The main ingredient of this product is diphenhydramine, and its chemical name is: N, N-dimethyl-2-(diphenylmethoxy)ethylamine hydrochloride
| Name | Description | Content | CAS NO. | Manufacturer |
|---|---|---|---|---|
| DiphenhydramineIngredients |
It has an antihistamine effect and can compete with histamine released from tissues for the H1 receptors on effector cells, thereby stopping allergic reactions; it inhibits central nervous system activity and causes sedative and hypnotic effects; it enhances the effects of antitussive drugs; it has anti-vertigo and anti-tremor paralysis effects; it has local anesthetic, antiemetic and anti-M cholinergic effects. More |
58-73-1 | 3 |
Appearance
This product is a colorless clear liquid.
Indication
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.
Usage and Dosage
Deep intramuscular injection, 20 mg (1 vial) at a time, 1 to 2 times a day.
Adverse Reactions
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.
Precautions
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.
Special Population Medication
Precautions for children: Not clear yet. Precautions for pregnancy and lactation: ⑴ The use of this product during pregnancy may increase the incidence of cleft palate, inguinal hernia and urogenital malformations in infants, so pregnant women should use it with caution. ⑵ A small amount of this product can be excreted from breast milk, so it is not suitable for lactating women. Precautions for the elderly: Slow reaction, dizziness, etc. may occur.
Drug Interactions
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.
Storage
Keep in a dark place and sealed (10-30℃). Validity period: tentatively 24 months.
Packaging Specification
1ml:20mg
Validity Period
24 months
Manufacturer
Suicheng Pharmaceutical Co., Ltd.
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Founded in:
1997-10-17 -
Address:
No. 219, Qing'an Road, Xinzheng City -
Tax NO.:
91410100712635557P -
Registered Funds:
111.68 million yuan -
Website:
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Email: