Acetaminophen and phenylephrine and Cimetidine Oral Solution
Determining the interaction of Acetaminophen and phenylephrine and Cimetidine Oral Solution and the possibility of their joint administration.
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:Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. Minor drug interactions do not usually cause harm or require a change in therapy. However, your healthcare provider can determine if adjustments to your medications are needed.
Professional:Animal studies and some limited human studies have suggested that cimetidine may decrease the potential hepatotoxic effects of acetaminophen. The mechanism may be related to reductions in the rate at which reactive intermediate metabolites are formed. Not all studies have confirmed the occurrence of this interaction. No alterations in dosage are necessary.
- Slattery JT, McRorie TI, Reynolds R, et al "Lack of effect of cimetidine on acetaminophen disposition in humans." Clin Pharmacol Ther 46 (1989): 591-7
- Dalhoff K, Poulsen HE "Inhibition of acetaminophen oxidation by cimetidine and the effects on glutathione and activated sulphate synthesis rates." Pharmacol Toxicol 73 (1993): 215-8
- Mitchell MC, Schenker S, Speeg KV "Selective inhibition of acetaminophen oxidation and toxicity by cimetidine and other histamine H2-receptor antagonists in vivo and in vitro in the rat and in man." J Clin Invest 73 (1984): 383-91
- Vendemiale G, Altomare E, Trizio T, Leandro G, Manghisi OG, Albano O "Effect of acute and chronic cimetidine administration on acetaminophen metabolism in humans." Am J Gastroenterol 82 (1987): 1031-4
Generic Name: acetaminophen / phenylephrine
Brand name: Alka-Seltzer Plus Cold and Sinus, Contac Cold+Flu Non-Drowsy, Excedrin Sinus Headache Caplet, Mapap Sinus Congestion and Pain, QlearQuil Daytime Sinus & Congestion, Robitussin Nasal Relief, Sinus Congestion and Pain Daytime Cool Ice, Sinus Pain & Pressure, Sudafed PE Sinus Headache, Theraflu Daytime Severe Cold, Tylenol Sinus Congestion and Pain, Congespirin Aspirin Free, Neo Citran Extra Strength Cold and Sinus, Mapap Sinus PE, Tylenol Sinus Congestion Daytime, Excedrin Sinus Headache, Non-Pseudo Sinus Pain & Pressure, Robitussin Peak Cold Nasal Relief, Sudafed PE Pressure Plus Pain, Contact Cold and Flu Day, Tylenol Sinus + Headache Day, Vicks Sinex Daytime, Mygrex, Acetaminophen Congestion and Pain, QlearQuil Sinus & Congestion, Vicks DayQuil Sinex
Synonyms: n.a.
Generic Name: cimetidine
Brand name: Tagamet HB, Tagamet
Synonyms: Cimetidine
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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