Guaifenesin and Tequin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Guaifenesin (guaifenesin) and Tequin (gatifloxacin). Common drug interactions include gastrooesophageal reflux disease among females and hot flushes among males.

The phase IV clinical study analyzes what interactions people have when they take Guaifenesin and Tequin. It is created by eHealthMe based on reports of 54 people who take the same drugs from the FDA, and is updated regularly.

What is Guaifenesin?

Guaifenesin has active ingredients of guaifenesin. It is often used in cough. eHealthMe is studying from 12,106 Guaifenesin users. Check the latest studies of Guaifenesin.

What is Tequin?

Tequin has active ingredients of gatifloxacin. eHealthMe is studying from 4,645 Tequin users. Check the latest studies of Tequin.

On Aug, 04, 2026

54 people who take Guaifenesin and Tequin together, and have interactions are studied.

Guaifenesin and Tequin drug interactions.

What are the common drug interactions of Guaifenesin and Tequin, by gender? *:

female:

Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Anxiety
Dyspnoea (difficult or laboured respiration)
Pain
Biliary cirrhosis primary (primary biliary cirrhosis (pbc) is a long-term liver disease that damages the small bile ducts in the liver. the build-up of bile damages the liver)
Blood albumin decreased
Eosinophil count increased
Iron deficiency anaemia
Liver disorder (liver diseases)
Splenomegaly (enlargement of spleen)

male:

Hot flushes (sudden feelings of heat)
Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Aspartate aminotransferase increased
Ataxia (loss of full control of bodily movements)
Barrett's oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach)
Blood glucose decreased
Blood glucose increased
Bronchial obstruction (blockage of the breathing passages to the lungs)
Carpal tunnel syndrome (nerve compression at wrist results numbness weakness, pain , swelling)

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

0-1:

n/a

2-9:

n/a

10-19:

Arthralgia (joint pain)
Muscle cramps (painful sensations caused by muscle contraction)

20-29:

Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Cardiac failure congestive
Cardiomegaly (increased size of heart than normal)
Cardiomyopathy (weakening of the heart muscle)
Cholecystitis (infection of gallbladder)
Hypertension (high blood pressure)
Influenza like illness
Insomnia (sleeplessness)
Presyncope
Urinary tract infection

30-39:

Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
Haematuria present (presence of blood in urine due to trauma)
Myalgia (muscle pain)
Tongue discolouration (colour change of tongue)

40-49:

Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Chronic kidney disease
Decreased activity
Emotional distress
Fatigue (feeling of tiredness)
Glomerulonephritis (a group of conditions that affect parts of the kidneys called glomeruli)
Impaired work ability
Mobility decreased (ability to move is reduced)
Pain

50-59:

Biliary cirrhosis primary (primary biliary cirrhosis (pbc) is a long-term liver disease that damages the small bile ducts in the liver. the build-up of bile damages the liver)
Blood albumin decreased
Bone disorder
Depression
Dyspnoea (difficult or laboured respiration)
Eosinophil count increased
Erosive oesophagitis (acid reflux disease can cause tissue damage in the oesophagus over time)
Faeces pale
Fatigue (feeling of tiredness)
Hepatic encephalopathy (spectrum of neuropsychiatric abnormalities in patients with liver failure)

60+:

Fall
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Headache (pain in head)
Muscular weakness (muscle weakness)
Pain
Pneumonia
Rib fracture
Stress
Syncope (loss of consciousness with an inability to maintain postural tone)
Urinary retention (the inability to completely or partially empty the bladder)

What are the existing conditions these people have? *

Arthritis (form of joint disorder that involves inflammation of one or more joints): 10 people, 18.52%
Indigestion: 9 people, 16.67%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 8 people, 14.81%
Depression: 8 people, 14.81%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 14.81%
High Blood Pressure: 8 people, 14.81%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 7 people, 12.96%
Constipation: 7 people, 12.96%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 7 people, 12.96%
Fibromyalgia (a long-term condition which causes pain all over the body): 7 people, 12.96%

* Approximation only. Some reports may have incomplete information.

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