Levaquin and Tadalafil drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Levaquin (levofloxacin) and Tadalafil (tadalafil). Common drug interactions include pneumonia bacterial among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Levaquin and Tadalafil. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

What is Levaquin?

Levaquin has active ingredients of levofloxacin. It is often used in sinusitis. eHealthMe is studying from 56,638 Levaquin users. Check the latest studies of Levaquin.

What is Tadalafil?

Tadalafil has active ingredients of tadalafil. It is often used in erection problems. eHealthMe is studying from 25,549 Tadalafil users. Check the latest studies of Tadalafil.

On Jul, 31, 2026

19 people who take Levaquin and Tadalafil together, and have interactions are studied.

Levaquin and Tadalafil drug interactions.

What are the common drug interactions of Levaquin and Tadalafil, by gender? *:

female:

Pneumonia bacterial (pneumonia associated with bacterial infection)
Dyspnoea (difficult or laboured respiration)
Fall
Alanine aminotransferase increased
Ankle fracture
Arthralgia (joint pain)
Asthma
Atrial flutter (an abnormal heart rhythm that occurs in the atria of the heart)
Bradycardia (abnormally slow heart action)
Chest discomfort

male:

Chronic kidney disease
Gait disturbance
Mobility decreased (ability to move is reduced)
Pain
Renal impairment (severely reduced kidney function)
Urinary tract disorder
Acute respiratory failure
Back pain
Balance disorder
Bladder disorder

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

0-1:

n/a

2-9:

n/a

10-19:

Drug hypersensitivity
Vomiting

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

Chronic kidney disease
Hepatic enzyme increased
Neutropenia (an abnormally low number of neutrophils)
Renal failure (kidney dysfunction)
Balance disorder
Death
Depression
Dizziness
Drug abuse
Drug dependence

60+:

Pneumonia bacterial (pneumonia associated with bacterial infection)
Dyspnoea (difficult or laboured respiration)
Chest discomfort
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Cough
Dizziness
Malaise (a feeling of general discomfort or uneasiness)
Nasopharyngitis (inflammation of the nasopharynx)
Nausea (feeling of having an urge to vomit)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)

What are the existing conditions these people have? *

Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 7 people, 36.84%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 31.58%
High Blood Pressure: 6 people, 31.58%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 5 people, 26.32%
High Blood Cholesterol: 4 people, 21.05%
Pain: 4 people, 21.05%
Dehydration (dryness resulting from the removal of water): 2 people, 10.53%
Hiv Infection: 2 people, 10.53%
Diabetes: 2 people, 10.53%
Infection: 2 people, 10.53%

* Approximation only. Some reports may have incomplete information.

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