Pharmaceutical composition for treating acetyl cholinergic urticaria
A technology of acetylcholine and urticaria, which is applied in the field of medicines for the treatment of urticaria, to achieve the effect of improving onset time, high recovery rate and effective rate of treatment, and increasing medication compliance
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Embodiment 1
[0042] Example 1 Common tablet
[0043] Prescription: 15g of levocetirizine, 0.75g of promethazine, 250g of microcrystalline cellulose, 20g of lactose, appropriate amount of 10% starch slurry, and 0.8g of magnesium stearate.
[0044] Preparation process: Weigh the prescribed amount of levocetirizine, iprocene, microcrystalline cellulose, and lactose and mix evenly. In addition, add an appropriate amount of 10% starch slurry to the mixed powder, mix evenly, make soft materials, pass through a 18-mesh nylon sieve to make wet granules, and dry at about 60°C. The moisture content of dry granules should be controlled below 1.5%. Sieve through a 20-mesh sieve, mix with magnesium stearate, and press into tablets.
Embodiment 2
[0045] Example 2 Common tablet
[0046] Prescription: 10g of levocetirizine, 200g of promethazine, 140g of starch, 20g of dextrin, appropriate amount of 50% ethanol, and 1.0g of magnesium stearate.
[0047] Preparation process: Weigh the prescribed amount of levocetirizine, iprocene, starch and dextrin and mix evenly. In addition, add an appropriate amount of 50% ethanol to the mixed powder, mix evenly, make a soft material, pass through a 18-mesh nylon sieve to make wet granules, and dry at about 60°C. The moisture content of the dry granules should be controlled below 1.5%. Sieve through a 20-mesh sieve, mix with magnesium stearate, and press into tablets.
Embodiment 3
[0048] Embodiment 3 Dispersible tablets
[0049] Prescription: 10g of levocetirizine, 2.5g of promethazine, 10g of croscarmellose sodium, 150g of microcrystalline cellulose, 5.5g of polyvinylpyrrolidone, an appropriate amount of 5% PVP 60% ethanol solution, micronized silica gel 5g.
[0050] Preparation process: Weigh levocetirizine and iproquinone according to the prescription quantity, use microcrystalline cellulose as filler, croscarmellose sodium and polyvinylpyrrolidone as disintegrants, 5% PVP 60 The % ethanol solution is used as a binder, the micropowdered silica gel is used as a flow aid, and it is granulated by a fluidized bed in one step, and then compressed into tablets.
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