Potassium and Isoniazid drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Potassium (potassium) and Isoniazid (isoniazid). Common drug interactions include malaise among females and atrial fibrillation among males.

The phase IV clinical study analyzes what interactions people have when they take Potassium and Isoniazid. It is created by eHealthMe based on reports of 42 people who take the same drugs from the FDA, and is updated regularly.

What is Potassium?

Potassium has active ingredients of potassium. It is often used in hypokalemia. eHealthMe is studying from 59,148 Potassium users. Check the latest studies of Potassium.

What is Isoniazid?

Isoniazid has active ingredients of isoniazid. It is often used in tuberculosis. eHealthMe is studying from 20,174 Isoniazid users. Check the latest studies of Isoniazid.

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, 02, 2026

42 people who take Potassium and Isoniazid together, and have interactions are studied.

Potassium and Isoniazid drug interactions.

What are the common drug interactions of Potassium and Isoniazid, by gender? *:

female:

Malaise (a feeling of general discomfort or uneasiness)
Migraine (headache)
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Muscle spasms (muscle contraction)
Muscular weakness (muscle weakness)
Myalgia (muscle pain)
Myopathy (a muscular disease in which the muscle fibres do not function)
Nasal polyps (masses that develop in the lining of the nose)
Nasopharyngitis (inflammation of the nasopharynx)
Nephrolithiasis (calculi in the kidneys)

male:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Fatigue (feeling of tiredness)
Fungal infection
Hepatic enzyme increased
Hepatitis (inflammation of the liver)
Hyperhidrosis (abnormally increased sweating)
Initial insomnia (feeling of inadequate or poor-quality sleep)
Malaise (a feeling of general discomfort or uneasiness)
Maternal exposure during pregnancy (use of substance during pregnancy)
Muscular weakness (muscle weakness)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Cellulitis (infection under the skin)
Cellulitis staphylococcal (a type of bacteria originated skin soft tissue infection)
Febrile neutropenia (fever with reduced white blood cells)
Fungal infection
Renal failure (kidney dysfunction)
Staphylococcal sepsis (blood infection by an infection with staphylococcus bacteria)

40-49:

Hepatitis (inflammation of the liver)
Lip swelling
Swelling face

50-59:

Upper respiratory tract infection
Asthma
Balance disorder
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Confusional state
Decreased appetite
Depression
Fatigue (feeling of tiredness)
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Osteoporosis (bones weak and more likely to break)

60+:

Dyspnoea (difficult or laboured respiration)
Drug ineffective
Malaise (a feeling of general discomfort or uneasiness)
Muscular weakness (muscle weakness)
Myalgia (muscle pain)
Nausea (feeling of having an urge to vomit)
Pain
Pain in extremity
Peripheral swelling
Pyrexia (fever)

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 8 people, 19.05%
Polymyositis (inflammatory muscle disease that causes weakness of the skeletal muscles): 8 people, 19.05%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 8 people, 19.05%
Pain: 6 people, 14.29%
High Blood Pressure: 5 people, 11.90%
Multiple Myeloma (cancer of the plasma cells): 4 people, 9.52%
Latent Tuberculosis (hidden tuberculosis): 4 people, 9.52%
Nausea (feeling of having an urge to vomit): 3 people, 7.14%
Interstitial Lung Disease: 3 people, 7.14%
High Blood Cholesterol: 3 people, 7.14%

* Approximation only. Some reports may have incomplete information.

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