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Can You Cut Modafinil In Half- Know Its Advantages And Health Risks

Can You Cut Modafinil In Half- Know Its Advantages And Health Risks

Last updated on 11 May, 2024

No, it is generally not recommended to cut Modafinil in half. However, many people cut Modafinil in half to make it cost-efficient or easier to swallow. The risk of side effects increases by dividing the drug into two halves, as it might lead to an uneven dosage. 

It is a common question that arises among people: “Can Modafinil be cut in half?” The blog contains all the details about

  • Cutting Modafinil in Half.

  • How to safely cut Modafinil in half?

  • Benefits and disadvantages of cutting the medication. 

Can Modafinil Be Cut In Half?

No, it is not recommended to cut Modafinil in half. 

 Modafinil 200 mg/day is the standard recommended dosage, and 400 mg/day is the maximum dosage that can be administered. Consuming more than 400 mg might lead to a Modafinil overdose.

Cutting Modafinil into two pieces might lead to an uneven dose, which is less effective, or might also lead to several side effects like dizziness, drowsiness, headache, nausea, vomiting, etc.

NOTE: Although cutting Modafinil in half is not a good option, it is an effective solution for treating excessive daytime sleepiness. You can purchase Modafinil online from Healthmatter at very affordable rates and discounts. 

How To Safely Cut Modafinil In Half?

Modafinil is cut into two pieces with a sharp and clean blade. Using a dull blade to cut the tablet might make the pill crumble, leading to uneven dosage. 

You should also keep in mind that the drug is cut in a straight line and on a flat surface.

The tablet should be cut into a well-ventilated area so that no dust particles are inhaled, which may be created while cutting the pill [1]. 

But the question arises, “Why is Modafinil cut in half?

Modafinil is cut in half, which is a common practice in order to reduce costs. 

Many people also cut Modafinil, crush it, and use it for snorting purposes. Snorting Modafinil is harmful and is not recommended. 

Things To Remember Before Cutting Modafinil Into Half


4 basic points to be remembered while cutting Modafinil in half are listed below:

  • Dosage: Modafinil is available in two separate dosage strengths, 100 mg and 200mg. 

  • Structure of the tablet (physical appearance): Modafinil does not have a score line (a line running down the tablet). Without the score line, it becomes difficult to divide the tablet into equal halves.

  • Adjusting the dosages: Before splitting the dosages, it is important to understand how the dosage adjusts. For e.g., If you are taking 100 mg of Modafinil and split the tablet into two halves, then you are consuming 50mg each, which can alter the effectiveness of the medication. 

  • Pharmacists Consultation: It is very important to consult with your healthcare provider or a pharmacist before taking or splitting the medication [2]. 

Benefits Of Cutting Modafinil Into Half

Two important benefits can be considered of cutting Modafinil in half

  • It makes the medication easier to swallow.

  • This makes the medicine cost-efficient. 

Health Risks Of Cutting Modafinil In Half 

Disadvantages of Cutting Modafinil in Half:

  • Insomnia is a common problem that might arise as one dosage is taken in the morning and one in the afternoon. 

  •  Other side effects that might arise are- restlessness, nausea, and acid reflux. 

How To Take Modafinil?

Five simple steps are to be followed while administering Modafinil:

  1. Swallow the tablet as a whole with a glass of water.

  2. You should completely avoid crushing or chewing the tablet

  3. Avoid alcohol while taking the medication.

  4. You can take the tablet with or without food, as the doctor prescribes. 

  5. Take the tablet at the same time of the day for better effectiveness. 

Precautionary Measures While Taking Modafinil

Five important precautionary measures or warnings of Modafinil are as follows:

1. The medication contains the active ingredient Modafinil, which might cause an allergy. 

2. You should inform your doctor about your medical history if you have problems like diabetes, high blood pressure, kidney and liver dysfunction, heart disease, etc., before taking the medication. 

3. Do not drive or do any kind of activities that requires immediate response, such as operating heavy machinery, while taking the medication. 

4. Avoid the medication if you’re pregnant, along with contraceptives.

5. Do not take the medication if you are at the stage of breastfeeding; this might harm your baby [3].

Can You Cut Modafinil In Half: Conclusion

Yes, Modafinil can be cut in half, but it is very important to understand the pros and cons associated with it. 


  • Cutting the medication helps you reduce the costs. 

  • Cutting into smaller pieces makes it easier to swallow. 


  • Cutting the medication might reduce its effectiveness.

  • Splitting the tablet might increase the risk of side effects [4]. 


Yes, 200mg or 400mg/day of Modafinil can be taken as a single or divided dose.

Modafinil 400 mg is the maximum Modafinil dosage.

Yes, Modafinil is a novel stimulant drug that was developed in the 1970s by French Neuroscientist Michel Jouvel and L.Lafon laboratories.

Modafinil works within 30 minutes after its consumption.

Modafinil is used to treat excessive daytime sleepiness associated with narcolepsy, obstructive sleep apnea, and shift work disorders.


  1. Can Modafinil be cut in half, Nootropicology?

  2. 7 Things to Consider Before Cutting Your Modafinil in Half, GreenDoor.

  3. Modafinil Oral Route, Mayo Clinic

  4. Can Modafinil Be Cut In Half - National Lab Day


Disclaimer: We do not provide any medical advice.

The contents of HealthMatter are for informational purpose only and is taken by a thorough evaluation of research papers and Journals. We do not provide professional medical advice, treatment, or diagnosis. We advise all readers to consult a physician before consuming any medication mentioned on the website.