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The Daily Insight

Can you just stop taking Singulair?

Author

Daniel Martin

Updated on March 22, 2026

Stopping Singulair suddenly typically doesn't cause withdrawal symptoms that can make your asthma worse. But to be on the safe side, talk to your doctor before stopping.

Hereof, is it safe to stop taking montelukast?

Montelukast oral tablet is used for long-term treatment. It comes with risks if you don't take it as prescribed. If you stop taking the drug suddenly or don't take it at all: You increase your risk of more frequent and more severe asthma attacks. Asthma that is not treated can lead to increased lung damage.

Also Know, why do you have to take Singulair at night? In the Rumor vs. Truth section of the Pharmacists Letter evaluating when montelukast should be dosed, they concluded asthma symptoms tend to be worse during the night and early morning hours and that montelukast has a short half-life of about 4-7 hours with blood levels peaking 3-4 hours after a dose.

In this regard, how long does it take for Singulair to get out of your system?

Singulair (montelukast) will be in your system for approximately 30.3 hours. The mean plasma half-life of montelukast ranges from 2.7 to 5.5 hours in healthy young adults. This is the time it takes for your body to reduce the plasma levels by half.

What can I take instead of Singulair?

One study found that Sudafed (pseudoephedrine) was more effective than montelukast in treating nasal congestion. If you're experiencing congestion as your primary symptom, Sudafed is an inexpensive OTC alternative to a prescription drug like Singulair.

Related Question Answers

What happens if you stop taking Singulair?

If you stop taking the drug suddenly or don't take it at all: You increase your risk of more frequent and more severe asthma attacks. Asthma that is not treated can lead to increased lung damage. If you have allergies, their symptoms may not be reduced. And exercise-related breathing problems may not be controlled.

Is there withdrawal from Singulair?

Just like Nicholas, many report that their symptoms did not cease with drug cessation but rather emerged or intensified upon discontinuation from montelukast similar to “Post-Acute Withdrawal Syndrome”. Just like Nicholas, many report this terrifying experience lasted for weeks, months, or in some cases years.

What are the long term side effects of Singulair?

The most common side effects with Singulair include stomach pain, stomach or intestinal upset, heartburn, tiredness, fever, stuffy nose, cough, flu, upper respiratory infection, dizziness, headache, and rash. Singulair may cause serious side effects.

Why does Singulair cause weight gain?

Can singulair cause weight gain. Research shows that chronic exposure to these over-the-counter and prescription allergy medications can cause weight gain—particularly in women. Excess saturated fat is a risk factor for heart disease, and too much fat is a risk factor for obesity.

Can you stop montelukast cold turkey?

Do not stop taking these medicines and do not reduce the dose, even if your asthma seems better, unless you or your child are told to do so by your doctor. Talk to your doctor or get medical care right away if: Your or your child's symptoms do not improve after using this medicine or if they become worse.

Can montelukast be taken long term?

Montelukast oral tablet is used for long-term treatment. It comes with risks if you don't take it as prescribed. If you stop taking the drug suddenly or don't take it at all: You increase your risk of more frequent and more severe asthma attacks. Asthma that is not treated can lead to increased lung damage.

Can I take Singulair every other day?

Singulair Dosage Your doctor may recommend that you take Singulair in the evening, but it can be taken during the daytime, as long as you take it around the same time each day. Singulair does not work immediately and should not be used to treat sudden asthma attacks or other breathing problems.

Is Singulair bad for kidneys?

Conclusıon. We can say that montelukast prevent kidney damage with antioxidant effect, independently of NO.

Will Singulair side effects go away?

Most people who use Singulair do not have serious side effects. Singulair does have some common side effects that should decrease or go away in time. These include: Headache.

What are the most common side effects of Singulair?

Side effects of Singulair include:
  • skin rash,
  • mood changes,
  • tremors,
  • headache,
  • stomach pain,
  • heartburn,
  • upset stomach,
  • nausea,

Can I stop taking montelukast suddenly?

Montelukast oral tablet is used for long-term treatment. It comes with risks if you don't take it as prescribed. If you stop taking the drug suddenly or don't take it at all: You increase your risk of more frequent and more severe asthma attacks. Asthma that is not treated can lead to increased lung damage.

Does Singulair suppress appetite?

“One drug is Singulair, used by people with asthma,” Accili said. Not only does Gpr17's discovery lead to possible effective appetite-suppression drugs, but it also may play an even larger role in the burgeoning obesity epidemic.

Is Singulair an anti inflammatory?

Montelukast is a type of medicine known as a leukotriene receptor antagonist. It works by blocking the action of leukotrienes which are chemicals released by the body as part of inflammatory reactions. Montelukast (brand name Singulair) is licensed as a treatment for asthma.

Does Singulair cause anxiety?

THURSDAY, Sept. 21, 2017 (HealthDay News) -- The asthma medication Singulair (montelukast) appears linked to neuropsychiatric side effects, such as depression, aggression, nightmares and headaches, according to a new review by Dutch researchers.

What are the side effects of Singulair?

Singulair Side Effects
  • Headache.
  • Stomach pain, heartburn, upset stomach, nausea, diarrhea.
  • Tooth pain.
  • Tired feeling.
  • Dizziness.
  • Fever, stuffy nose, sore throat, cough, hoarseness.
  • Mild rash.
  • Upper respiratory infection.

Can montelukast cause psychosis?

CONCLUSIONS: Neuropsychiatric disorders as side effects of montelukast were more frequently reported for children than for adults. Infants and children seem to be more prone to sleep disturbances, whereas adolescents present symptoms of depression/anxiety and psychotic reactions more often.

Does montelukast make you tired?

Montelukast oral tablet doesn't cause drowsiness, but it can cause other side effects.

Is Singulair dangerous?

But to be on the safe side, talk to your doctor before stopping. Very rarely (less than 1% of the time), Singulair can cause more serious side effects like allergic reactions, joint and muscle pain, or heart palpitations.

Is Singulair better than Zyrtec?

However, taking Singulair at the same time as other allergy or asthma medications, like Zyrtec and Claritin, may be required for some people. These antihistamines work differently than Singulair to treat allergies but could be more effective when combined.

Is Singulair a steroid?

SINGULAIR does not contain a steroid. SINGULAIR is used to: 1. Prevent asthma attacks and for the long-term treatment of asthma in adults and children ages 12 months and older.

What are potential side effects of abrupt cessation of Singulair?

This warning also includes agitation, aggressive behavior or hostility, disorientation, dysphemia (stuttering) disturbance in attention, obsessive-compulsive symptoms, restlessness, somnambulism, suicidal thinking and behavior (including suicide), tic, and tremor.

Can Singulair help with nasal congestion?

Montelukast (Singulair) is a drug that relieves allergy symptoms and is also used to prevent asthma attacks. It reduces congestion in your nose and also cuts down on sneezing, itching, and eye allergies. For people with allergies and asthma, it helps reduce inflamation in your airways.

Does Singulair help with cough?

“If symptoms are pretty mild, you would start with montelukast (Singulair), a long-term control medicine,” Fine said. It helps block the chain reaction that can cause your airways to become swollen and inflamed. The bronchodilator albuterol (Proventil) also can help prevent and treat symptoms of cough-variant asthma.

How long does it take for montelukast to work?

How long does it take to work? Montelukast starts to work immediately to reduce leukotriene levels in your body (which make your symptoms worse). However, it may take around a week before it reaches its full effect. If you're taking montelukast to prevent exercise-induced asthma, take it 2 hours before you exercise.

Is montelukast good for allergies?

Montelukast is also approved to control the symptoms of allergic rhinitis, also known as hay fever, such as sneezing, stuffy nose, runny nose, and itching of the nose. It is used to treat seasonal outdoor allergies in patients 2 years and older, and year-round indoor allergies in patients 6 months and older.

Does Singulair help with allergies?

Singulair is the brand name of montelukast, a drug prescribed for people with asthma. Singulair can also help decrease the frequency of asthma attacks, and it may be used to relieve the symptoms of hay fever, allergic rhinitis, and other allergies that cause sneezing and stuffy, runny, or itchy nose.

Is there an over the counter version of Singulair?

The Nonprescription Drugs Advisory Committee of the US Food and Drug Administration (FDA) has voted against recommending that montelukast (Singulair Allergy, Merck) be approved as an over-the-counter (OTC) drug for the treatment of allergic rhinitis (AR). But no countries have approved it for OTC use.

Why is Singulair not OTC?

"If people could buy Singulair without a prescription, the potential for inappropriate and potentially dangerous use is high." Montelukast would have been the first in the leukotriene receptor antagonist class to make the switch from prescription to OTC.

Why is Singulair prescription only?

Singulair is a common prescription medication that helps to prevent asthma attacks in people aged 12 months and over. It is also known as montelukast. However, Singulair has severe side effects related to mood, which have caused controversy in recent years.

Is Claritin the same as Singulair?

Singulair (montelukast) and Claritin (loratadine) are used to treat allergy symptoms. Singulair is also used to treat asthma and to prevent exercise-induced narrowing of the airways. Singulair and Claritin belong to different drug classes. Singulair is a leukotriene receptor antagonist and Claritin is an antihistamine.

Is Montelukast a decongestant?

Because of these properties, montelukast was approved by the FDA to treat allergic rhinitis, and "indeed," notes Baroody, "this study is one of few that shows that montelukast causes a significant improvement in nasal airflow, an objective measure of nasal congestion, an effect shared by pseudoephedrine in this study."

Is Singulair an antihistamine or decongestant?

Singulair can alleviate symptoms of allergic rhinitis, hay fever, and exercise-induced asthma. Singulair is the brand name of a generic medication called montelukast sodium. It is neither a decongestant, antihistamine, or steroid.