Mentax and Norvasc drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Mentax (butenafine hydrochloride) and Norvasc (amlodipine besylate). Common drug interactions include fatigue among females and hyperkalaemia among males.

The phase IV clinical study analyzes what interactions people have when they take Mentax and Norvasc. It is created by eHealthMe based on reports of 13 people who take the same drugs from the FDA, and is updated regularly.

What is Mentax?

Mentax has active ingredients of butenafine hydrochloride. eHealthMe is studying from 283 Mentax users. Check the latest studies of Mentax.

What is Norvasc?

Norvasc has active ingredients of amlodipine besylate. It is often used in high blood pressure. eHealthMe is studying from 136,738 Norvasc users. Check the latest studies of Norvasc.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 01, 2026

13 people who take Mentax and Norvasc together, and have interactions are studied.

What are the common drug interactions of Mentax and Norvasc, by gender? *:

female:

Fatigue (feeling of tiredness)
Neuroleptic malignant syndrome (a life-threatening neurological disorder most often caused by an adverse reaction to neuroleptic or antipsychotic agents)
Oedema (fluid collection in tissue)
Injection site pain
Type 2 diabetes mellitus

male:

Hyperkalaemia (damage to or disease of the kidney)
Chest pain
Ventricular hypokinesia (muscle of one's heart does not contract as much as most peoples' hearts do)
Abdominal distension
Blood creatinine increased
Blood urea increased
Decreased appetite
Dizziness
Flatulence (flatus expelled through the anus)
Hypoaesthesia (reduced sense of touch or sensation)

What are the common drug interactions of Mentax and Norvasc, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Neuroleptic malignant syndrome (a life-threatening neurological disorder most often caused by an adverse reaction to neuroleptic or antipsychotic agents)
Type 2 diabetes mellitus

50-59:

Injection site pain

60+:

Hyperkalaemia (damage to or disease of the kidney)
Chest pain
Ventricular hypokinesia (muscle of one's heart does not contract as much as most peoples' hearts do)
Abdominal distension
Blood creatinine increased
Blood urea increased
Decreased appetite
Dizziness
Flatulence (flatus expelled through the anus)
Hypoaesthesia (reduced sense of touch or sensation)

What are the existing conditions these people have? *

Oedema (fluid collection in tissue): 3 people, 23.08%
Headache (pain in head): 3 people, 23.08%
Chronic Myeloid Leukaemia (long lasting type of cancer that starts in the blood-forming cells of the bone marrow and invades the blood): 3 people, 23.08%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 2 people, 15.38%
Pruritus Generalised (generalized itching): 2 people, 15.38%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 2 people, 15.38%
Depression: 2 people, 15.38%
Constipation: 2 people, 15.38%
Bipolar Disorder (mood disorder): 2 people, 15.38%
Type 2 Diabetes: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

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