Diphenhydramine Hydrochloride Tablets
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 white or off-white tablets.
Indication
It is used for skin and mucous membrane allergies, such as urticaria, allergic rhinitis, pruritus, drug eruption, insect bites and contact dermatitis. It can also be used to prevent and treat motion sickness.
Usage and Dosage
Oral administration. Adults take 1 tablet at a time, 2-3 times a day. When used to prevent and treat motion sickness, it is recommended to take it 1 to 2 hours before travel, at least 30 minutes before travel.
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: It is forbidden to use in newborns and premature infants. Precautions for pregnancy and lactation: (1) Taking 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; (2) A small amount of this product can be excreted in breast milk, so it should not be used by lactating women. Precautions for the elderly: It may cause slow reaction, dizziness, etc.
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
25mg
Validity Period
2 years
Manufacturer
Chifeng Wanze Pharmaceutical Co., Ltd.
-
Founded in:
2002-10-11 -
Address:
Hongshan High-tech Industrial Development Zone, Chifeng City, Inner Mongolia Autonomous Region -
Tax NO.:
91150400740148975G -
Registered Funds:
50 million yuan -
Website:
-
Email: