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Catapres-TTS and Comfort Pac w/Tizanidine

Determining the interaction of Catapres-TTS and Comfort Pac w/Tizanidine and the possibility of their joint administration.

Check result:
Catapres-TTS <> Comfort Pac w/Tizanidine
Relevance: 23.08.2022 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Ask your doctor before using cloNIDine together with tiZANidine. Using these medications together can lower your blood pressure. This can cause dizziness or feeling like you might pass out, especially when getting up from a sitting or lying position. This may be more likely to occur when you first start taking either of these medications. You may need a dose adjustment or need your blood pressure checked more often if you take both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

GENERALLY AVOID: Tizanidine has alpha-2 adrenergic activity and may potentiate the hypotensive effects of other alpha-2 adrenergic agonists. Pharmacologic studies have found tizanidine to possess between 1/10 to 1/50 of the potency of clonidine, a structurally similar agent, in lowering blood pressure. In a single-dose study where blood pressure was monitored closely after dosing, two-thirds of patients treated with an 8 mg dose had a 20% reduction in either the diastolic or systolic blood pressure. The reduction was seen within 1 hour after dosing, peaked 2 to 3 hours after dosing, and was associated at times with bradycardia, orthostatic hypotension, lightheadedness, dizziness, and rarely, syncope. The hypotensive effect of tizanidine is dose-related and has been measured following single doses of 2 mg or more.

MANAGEMENT: Concomitant use of tizanidine with other alpha-2 adrenergic agonists should be avoided.

References
  • "Product Information. Zanaflex (tizanidine)." Acorda Therapeutics, Hawthorne, NY.
Catapres-TTS

Generic Name: clonidine

Brand name: Catapres-TTS-1, Catapres-TTS-2, Catapres-TTS-3, Catapres, Catapres-TTS, Duraclon, Kapvay

Synonyms: n.a.

Comfort Pac w/Tizanidine

Generic Name: tizanidine

Brand name: Zanaflex

Synonyms: Tizanidine, TiZANidine

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

Interaction with food and lifestyle