| abstract |
The invention discloses a preparation method of a headache pain reliever, which is characterized by comprising the following steps: step S1, vinyl-modified amino-modified dextran, step S2, preparation of active gel, step S3, molding of the headache pain reliever . The invention also discloses a headache pain relief patch prepared according to the preparation method of the headache pain relief patch. The headache analgesic patch disclosed by the invention has quick onset of effect, remarkable pain relief effect, comfortable use, low cost, no toxic and side effects, safe and convenient use and no recurrence. |