Viagra Capsules

This product is a derivative of retinoic acid, with a structural formula similar to all-trans retinoic acid, and a mechanism of action similar to 13-cis retinoic acid and aromatic retinoic acid; but the side effects are milder than all-trans retinoic acid. Oral administration can regulate and control the differentiation and growth of epithelial cells, resulting in keratinization, reduce sebum secretion, inhibit the keratinization process of keratinocytes, restore abnormal keratinization to normal, inhibit the growth of Propionibacterium acnes, and has immune regulation and anti-inflammatory effects.

The main ingredient of this product is vitamin ester, the chemical name is: N-(4-ethoxycarbonylphenyl) vitamin amide

This product is a capsule containing yellow granules or powder.

This product is used to treat severe and moderate acne, and also has certain effects on ichthyosis, psoriasis, lichenoid skin diseases, and certain abnormal keratotic skin diseases.

Oral administration. Calculated at 1~2.0mg/(kg/day), adults take 25-50mg each time, 2-3 times a day. The course of treatment for acne is 6 weeks, and for seborrheic dermatitis is 4 weeks. Or follow the doctor's advice.

1. The side effects of this drug are similar to the clinical manifestations of vitamin A overdose. Common side effects include dry skin, desquamation, itching, rash, increased fragility, peeling of the palms and soles, ecchymosis, and secondary infection; dry oral mucosa, pain, conjunctivitis, and in severe cases, corneal opacity, visual impairment, papilledema, headache, dizziness, mental symptoms, depression, and benign intracranial hypertension. 2. Osteoporosis, muscle weakness, pain, gastrointestinal symptoms, nosebleeds, etc.; 3. Taking the drug during pregnancy can cause spontaneous abortion and fetal malformations; 4. Laboratory tests can cause blood sedimentation, elevated liver enzymes, elevated blood lipids, elevated blood sugar, and decreased platelets. 5. The above side effects

It is forbidden to use in pregnant and lactating women.

Precautions for children: The safety for children is not clear. Overdose can cause bone changes, such as premature fusion of epiphyseal discs in children. Precautions for pregnancy and lactation: Precautions for pregnant and lactating women. Precautions for the elderly: Not yet clear.

1. When used in combination with isotretinoin and tetracycline antibiotics, it can cause "pseudotumor cerebri" and lead to increased intracranial pressure, headache and visual impairment. 2. When used in combination with vitamin A, it can produce similar symptoms of vitamin A overdose. 3. When used in combination with methotrexate, it can increase the latter's blood concentration and aggravate its toxicity. Viagra is similar in structure to isotretinoin, so it should also be avoided when used simultaneously with the above drugs.

Protect from light, seal tightly, store in a cool and dry place

25 mg

Tentatively 24 months.