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Is A 500 Mg Of Phenylepherine HCL A Safe Dosage?

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Posted on Sat, 31 Jan 2015
Question: I have a question about this: Phenylepherine HCL is contained in cold medications. Can you tell me if it is ever used in a 500mg dose, and what that dose is used for? I was also interested in what the toxic level for ingestion of Phenylepherine HCL is, if that is available and I can ask that as a different question if need be. Thank you.
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Answered by Dr. Tushar Kanti Biswas (2 hours later)
Brief Answer:
Phenylephrine HCl-therapeutic & toxic dose

Detailed Answer:
Hi,

Thank you for your query. I can understand your concerns.
Phenylephrine HCl contained in cold medications varies from 2.5-10 mg per tablet or 5 ml syrup.

Phenylepherine HCL is not used in 500 mg dosage for any therapeutic purpose.
No such preparation is available also.
The orally toxic dosage is described by the literature as 3 mg/kg body weight.
Regards

Dr. T.K. Biswas M.D. XXXXXXX
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..

Above answer was peer-reviewed by : Dr. Vinay Bhardwaj
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Answered by
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Dr. Tushar Kanti Biswas

Internal Medicine Specialist

Practicing since :1975

Answered : 1920 Questions

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Is A 500 Mg Of Phenylepherine HCL A Safe Dosage?

Brief Answer: Phenylephrine HCl-therapeutic & toxic dose Detailed Answer: Hi, Thank you for your query. I can understand your concerns. Phenylephrine HCl contained in cold medications varies from 2.5-10 mg per tablet or 5 ml syrup. Phenylepherine HCL is not used in 500 mg dosage for any therapeutic purpose. No such preparation is available also. The orally toxic dosage is described by the literature as 3 mg/kg body weight. Regards Dr. T.K. Biswas M.D. XXXXXXX