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Siltussin DM and Zanaflex Capsule

Determining the interaction of Siltussin DM and Zanaflex Capsule and the possibility of their joint administration.

Check result:
Siltussin DM <> Zanaflex Capsule
Relevance: 09.09.2022 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:

Using tiZANidine together with dextromethorphan may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol during treatment. In addition, these medications may also have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. 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:

MONITOR: The sedative effect of tizanidine may be potentiated by concomitant use of other agents with central nervous system (CNS) depressant effects. In addition, tizanidine and many of these agents (e.g., alcohol, anxiolytics, sedatives, hypnotics, antidepressants, antipsychotics, opioids, muscle relaxants) also can exhibit hypotensive effects, which may be additive during coadministration and may increase the risk of symptomatic hypotension and orthostasis, particularly during initiation of therapy or dose escalation. Tizanidine itself is a central alpha-2 adrenergic agonist. 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: Caution is advised and more gradual dose titration may be appropriate when tizanidine is used with other substances that can cause CNS depression and/or hypotension, particularly in elderly or debilitated patients. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to avoid rising abruptly from a sitting or recumbent position. Patients should contact their physician if they experience dizziness, lightheadedness, syncope, orthostasis, or excessive CNS effects that interfere with their normal activities.

References
  • "Product Information. Zanaflex (tizanidine)." Acorda Therapeutics, Hawthorne, NY.
Siltussin DM

Generic Name: dextromethorphan / guaifenesin

Brand name: Aquatab DM, Broncotron, Coricidin HBP Chest Congestion & Cough, DayQuil Mucus Control DM, Delsym Cough Plus Chest Congestion DM, Fenesin DM IR, G-Zyncof, Mucinex DM, Phlemex, Robitussin Cough + Chest Congestion DM, Safetussin DM, Siltussin DM, TabTussin DM, Tussin DM, Zyncof, Bidex-A, Guaifenex DM, Biospec DMX, Robitussin DM, Mucinex Cough Mini-Melts, Tussi-Organidin DM-S NR, Tussi-Organidin DM NR, Gani-Tuss-DM NR, Guaibid DM, Muco-Fen DM, Guiadrine DM, Fenex-DM, Iobid DM, Q-Bid DM, Aquabid DM, Touro DM, Respa-DM, Mucobid DM, Fenesin DM, Humibid DM Pediatric, Iofen-DM NF, Phanatuss, Naldecon Senior DX, Guiatussin-DM, Halotussin DM, Guiatuss DM, Halotussin DM Sugar Free, Rhinosyn-DMX, Tuss-DM, Kolephrin GG/DM, Cheracol D Cough, Genatuss DM, Glycotuss-DM, Mytussin DM, Tolu-Sed DM, Benylin Expectorant, Vicks 44E Pediatric, Guiacough DM, Lotussin DM, Anti-Tuss DM, Biotuss DM, Cheracol-D, GG/DM, Mastussin DM, Recofen D, Recofen Plus, Ri-Tussin DM, Robafen DM, Robichem DM, T-Tussin DM, Tusscidin DM, Bidex-DM, Diabetic Suppressant, Duraganidin, G Bid DM, GG-DM SR, Humigen DM, Tussidin DM, Altarussin DM, Amibid DM, Guiat Clear DM, Cough Formula-DM, Double-Tussin DM, Guaiasorb Cough Medicine, Kita La Tos, Q-Tussin DM, Scot-Tussin DM, Nalspan Senior DX, Diabetic Tuss DM, Vicks 44E, Scot-Tussin Senior, Naldecon DX Liquigel, Safetussin 30 DM, Duratuss DM, Guiatuss Clear, Iophen DM NR, Allfen-DM, S-Pack DM, HT Tuss DM, Monafed DM, Hydro-Tuss DM, Drituss DM, Liquibid-D LA, Guaifen DM, Maxi-Tuss DM, Robitussin-SF, Su-Tuss DM, Muco-Fen 800 DM, Guai-Dex, GuaiFENesin DM, GuaiFENesin DM SR, Tussi-Bid, Sudal DM, Iophen DM, Ru-Tuss 800 DM, Mintab DM, Mindal DM, Atuss-12 DX, Z-Cof LA, Extuss LA, DuraDEX, Humibid CS, Diabetic Tuss DM Maximum Strength, Siltussin DM DAS Cough Formula, Simuc-DM, Cofex-DM, Mucus Relief DM, G-Bid DM, Relacon LAX, Ambi 1000/55, Z-Cof LAX, Robafen DM Clear, DuraDEX Forte, Robitussin DM Infant Drops, Zotex DMX, Mucinex Children's Cough, Duratuss DM 12, Robitussin Cough Sugar-Free DM, Dex-Tuss DM, Mucinex DM Maximum Strength, GuaiFENesin DM NR, Children's Mucus Relief Cough, Siltussin-DM DAS-NA, Siltussin-DM DAS-NA Maximum Strength, ExeFen-DM, Bidex-DMI, Mucinex Children's Cough Mini-Melts, Robitussin Cough & Cong, Coricidin HBP Congestion/Cough

Synonyms: n.a.

Zanaflex Capsule

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.

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