Singulair and Macrobid drug interactions - from FDA reports

Drug interactions are reported among people who take Singulair and Macrobid together. This review analyzes the effectiveness and drug interactions between Singulair and Macrobid. It is created by eHealthMe based on reports of 164 people who take the same drugs from FDA , and is updated regularly.

On Jun, 29, 2018

164 people who take Singulair, Macrobid are studied.

Number of reports submitted per year:

Singulair and Macrobid drug interactions.

Most common drug interactions over time *:

< 1 month:
  1. Feeling abnormal
  2. Metabolic acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body)
  3. Nephrolithiasis (calculi in the kidneys)
  4. Renal tubular necrosis (death of kidney tubules)
  5. Somnolence (a state of near-sleep, a strong desire for sleep)
10+ years:
  1. Cardiac disorder
  2. Dyspepsia (indigestion)
  3. Fatigue (feeling of tiredness)
  4. Gallbladder disorder
  5. Gastrointestinal disorder (functional problems of gastrointestinal tract)
not specified:
  1. Hypertension (high blood pressure)
  2. Oropharyngeal pain
  3. Procedural pain
  4. Tardive dyskinesia (a disorder that involves involuntary movements)
  5. Type 2 diabetes mellitus

Most common drug interactions by gender *:

  1. Dyspnoea (difficult or laboured respiration)
  2. Fall
  3. Oedema peripheral (superficial swelling)
  4. Dizziness
  5. Muscle spasms (muscle contraction)
  1. Drug exposure during pregnancy
  2. Congenital aortic atresia (congenital absence of the aortic orifice)
  3. Diarrhoea
  4. Dyspnoea (difficult or laboured respiration)
  5. Fatigue (feeling of tiredness)

Most common drug interactions by age *:

  1. Lethargy (tiredness)
  2. Blood glucose decreased
  3. Encephalopathy (functioning of the brain is affected by some agent or condition)
  4. Fall
  5. Hypotension (abnormally low blood pressure)
  1. Chest pain
  2. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  3. Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
  4. Pain in extremity
  5. Pulmonary embolism (blockage of the main artery of the lung)
  1. Fatigue (feeling of tiredness)
  2. Pain
  3. Cardiac disorder
  4. Dyspepsia (indigestion)
  5. Gallbladder disorder
  1. Fatigue (feeling of tiredness)
  2. Headache (pain in head)
  3. Arthralgia (joint pain)
  4. Drug ineffective
  5. Pain
  1. Injection site bruising
  2. Hallucination, auditory (perceiving sounds without auditory stimulus)
  3. Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur)
  4. Psychotic disorder
  5. Blood creatinine increased
  1. Pyrexia (fever)
  2. Hypersensitivity
  3. Asthenia (weakness)
  4. Feeling abnormal
  5. Somnolence (a state of near-sleep, a strong desire for sleep)

* Approximation only. Some reports may have incomplete information.

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Related studies


Singulair has active ingredients of montelukast sodium. It is often used in asthma. (latest outcomes from Singulair 69,937 users)


Macrobid has active ingredients of nitrofurantoin; nitrofurantoin, macrocrystalline. It is often used in urinary tract infection. (latest outcomes from Macrobid 5,416 users)

Interactions between Singulair and drugs from A to Z
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Interactions between Macrobid and drugs from A to Z
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Browse all drug interactions of Singulair and Macrobid
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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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