Externally applied plaster formulation for treating respiratory tract infection
A technology of respiratory tract and plaster, applied in the field of externally applied medicines, can solve the problems of affecting children's growth and development, high cost, inconvenient application, etc., and achieve the effects of easy treatment and rehabilitation, convenient and safe use, and fast skin penetration.
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Embodiment 1
[0052] A dosage form of an external plaster for treating respiratory tract infection, which is made of the following medicines in parts by weight: 20 parts of astragalus; 10 parts of Gallaceae; 30 parts of bellflower; 1 serving of borneol.
[0053] The above-mentioned external plaster dosage form for the treatment of respiratory tract infection, its preparation method is:
[0054] a. Take the medicine of the formula amount except borneol, add 8 times the amount of 75% ethanol to reflux and extract twice, the first time is 2 hours, and the second time is 1.5 hours;
[0055] b. Merge the filtrate extracted by reflux twice, recover ethanol, and concentrate the filtrate to a thick paste with a relative density of about 1.2 to 1.3;
[0056] c. Crush the borneol in the formula amount into fine powder, pass through a 100-mesh sieve, add the thick paste in b, stir evenly, and set aside.
[0057] The sponge ring and the protective film are provided with an upper cover, and the upper ...
Embodiment 2
[0060] A dosage form of an external plaster for treating respiratory tract infection, which is made of the following medicines in parts by weight: 20 parts of astragalus; 10 parts of Gallaceae; 30 parts of bellflower; 2 parts glycerin.
[0061] The above-mentioned external plaster dosage form for the treatment of respiratory tract infection, its preparation method is:
[0062] a. Except for glycerin, the medicine of the formula amount was weighed, and 8 times the amount of 75% ethanol was added to reflux extraction for 2 times, the first time was 2 hours, and the second time was 1.5 hours;
[0063] b. Merge the filtrate extracted by reflux twice, recover ethanol, and concentrate the filtrate to a thick paste with a relative density of about 1.2 to 1.3;
[0064] c. Add the formula amount of glycerin into the thick paste, stir evenly, set aside
[0065] The thick ointment drug layer is sealed in the medical sponge ring, one side of the sponge ring is an adhesive layer with rel...
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