Qualaquin and Lasix drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Qualaquin (quinine sulfate) and Lasix (furosemide). Common drug interactions include neutrophil percentage decreased among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Qualaquin and Lasix. It is created by eHealthMe based on reports of 36 people who take the same drugs from the FDA, and is updated regularly.

What is Qualaquin?

Qualaquin has active ingredients of quinine sulfate. It is often used in leg pain. eHealthMe is studying from 281 Qualaquin users. Check the latest studies of Qualaquin.

What is Lasix?

Lasix has active ingredients of furosemide. It is often used in swelling. eHealthMe is studying from 210,439 Lasix users. Check the latest studies of Lasix.

On Jul, 13, 2026

36 people who take Qualaquin and Lasix together, and have interactions are studied.

What are the common drug interactions of Qualaquin and Lasix, by gender? *:

female:

Neutrophil percentage decreased
Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Renal injury (kidney injury)
Sepsis (a severe blood infection that can lead to organ failure and death)
Streptococcal infection
Peritonitis bacterial (inflammation of the peritoneum, the thin tissue that lines the inner wall of the abdomen and covers most of the abdominal organs by bacterial)
Vomiting
Citrobacter infection (infection by citrobacter (bacteria))
Diarrhoea
Anaemia (lack of blood)

male:

Chronic kidney disease
Renal failure (kidney dysfunction)
Diarrhoea
Haematoma (collection of blood outside the blood vessels)
Nephrogenic anaemia (anaemia due to kidney disease)
Respiratory failure (inadequate gas exchange by the respiratory system)
Vomiting
Cellulitis (infection under the skin)
Cholecystitis (infection of gallbladder)
Cholecystitis infective (infection of gallbladder capable to infect other organs)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)

40-49:

Chronic kidney disease
Death
Renal failure (kidney dysfunction)
Anxiety
Nephrogenic anaemia (anaemia due to kidney disease)
Nephropathy (damage to or disease of a kidney)
Renal injury (kidney injury)
Respiratory failure (inadequate gas exchange by the respiratory system)

50-59:

Renal failure (kidney dysfunction)
Anxiety
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Atrioventricular block (heart block)
Chest pain
Chronic kidney disease
Emotional disorder
Fear
Hypersensitivity

60+:

Vomiting
Diarrhoea
Fatigue (feeling of tiredness)
Pleural effusion (water on the lungs)
Ascites (accumulation of fluid in the abdominal cavity)
Blood culture positive
Blood disorder
Chills (felling of cold)
Asthenia (weakness)
Atelectasis (partial or complete collapse of the lung)

What are the existing conditions these people have? *

High Blood Pressure: 13 people, 36.11%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 13 people, 36.11%
Infection: 12 people, 33.33%
Muscle Spasms (muscle contraction): 10 people, 27.78%
Pain: 8 people, 22.22%
Malaria (a parasitic disease due to mosquito bite): 8 people, 22.22%
Anaemia (lack of blood): 7 people, 19.44%
High Blood Cholesterol: 7 people, 19.44%
Hepatitis C: 6 people, 16.67%
Oedema (fluid collection in tissue): 6 people, 16.67%

* Approximation only. Some reports may have incomplete information.

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