is there a sulfa base in skelaxin

Your pharmacist is the best person to ask about this. Skelaxin or metaxalone - is also called skelaxin-sulfa. Sulfa allergies occur in people who have a bad reaction to sulfamethoxazole and its derivatives which are found in certain antibiotics, some diuretics, some non-steroidal anti-inflammatory drugs.

Because sulfur, sulfites and sulfates are only distantly related to sulfamethoxazole many products with 'sulfa' at the end are unlikely to cause problems for people with sulfa allergies. I couldn't find any indication that skelaxin was contraindicated for people with sulfa allergies but contact your pharmacist or doctor to make sure.

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