ONAC of Ayahuasca Healings – Medical Guidelines

Our healing work is based on traditional Amazonian shamanic plant medicine. The medicine Ayahuasca is biochemically and energetically very powerful, and it does not mix well with all other substances.

Many Pharmaceutical drugs, natural supplements and herbs are not compatible with Ayahuasca and some medical or psychological conditions are also not appropriate for treatment with this medicine. For this reason, it is our policy that all participants in our ceremonies be free of pharmaceutical intervention for 30 days prior to joining us at our center.

It is the responsibility of all guests to consult with their doctors about the safety of ceasing medication within the timeframes required by our center.

If you need to stop taking any medication prior to your Ayahuasca experience, please consult with your doctor about stopping such medications, as well as informing us of your process. If your doctor is unwilling to assist you due to his or her own bias, you have the right to seek a second opinion from another physician.

Full disclosure of medical conditions past and present are mandatory at the time of application, and it’s pertinent that you understand our guest guidelines.

Below is a list of SOME medical conditions, pharmaceuticals and supplements that are not compatible with drinking Ayahuasca.


Medical Conditions

Psychological conditions such as Schizophrenia, bipolar and psychosis
Heart conditions 
Liver and Kidney conditions

Pharmaceuticals and Supplements

Different substances require more or less time to leave the body, so please consult your doctor to establish how long your particular medications will take to clear from your system. It is vitally important that you are honest with us and with yourself about your medical history. There can be serious consequence of mixing Ayahuasca with pharmaceutical medications, and it is imperative that you take caution and undertake this healing journey with a full respect for this fact.

Below is a PARTIAL list of medications which are NOT to be present in your body during and before your encounter with Ayahuasca:


SSRI’s (any selective serotonin reuptake inhibitor)
amphetamines (meth-, dex-, amphetamine)

antihypertensives (high blood pressure medicine) 
appetite suppressants (diet pills)
medicine for asthma, bronchitis, or other breathing problems
antihistamines, medicines for colds, sinus problems, hay fever, or allergies (Actifed DM, Benadryl, Benylin, Chlor-Trimeton, Compoz, etc.)
CNS (central nervous system) depressants


Specific Drugs

  • Actifed
  • Amantadine hydrochloride (Symmetrel)
  • Amoxapine (Asendin)
  • Benadry
  • Benylin
  • Bupropion (Wellbutrin)
  • Buspirone (BuSpar)
  • Carbamazepine (Tegretol, Epitol)
  • Chlor-Trimeton
  • Clomipramine (Anafranil)
  • Cocaine
  • Cyclobenzaprine (Flexeril)
  • Cyclizine (Marezine)
  • Desipramine (Pertofrane)
  • Dextromethorphan (DXM)
  • Disopyramide (Norpace)
  • Doxepin (Sinequan)
  • Ephedrine
  • Flavoxate Hydrochloride (Urispas)
  • Fluoxetine (Prozac)
  • Imipramine (Tofranil)
  • Isocarboxazid (Marplan)
  • Levodopa (Dopar, Larodopa)
  • Loratadine (Claritin)
  • Maprotiline (Ludiomil)
  • Meperidine (Demerol)
  • Methylphenidate (Ritalin)
  • Nortriptyline (Aventyl)
  • Oxybutynin chloride (Ditropan)
  • Orphenadrine (Norflex)
  • Parnate
  • Paroxetine (Paxil)
  • Phenergen
  • Phenelzine (Nardil)
  • Procainamide (Pronestyl)
  • Protriptyline (Vivactil)
  • Pseudoephedrine
  • Quinidine (Quinidex)
  • Salbutemol
  • Salmeterol
  • Selegiline (Eldepryl)
  • Sertraline (Zoloft)
  • Tegretol
  • Temaril
  • Tranylcypromine (Parnate)
  • Tricyclic antidepressants (Amitriptyline, Elavil)
  • Trimipramine (Surmontil)
  • Yohimbine


Herbs and supplements

  • St. Johns Wort
  • Kava
  • Ephedra
  • Ginseng
  • Yohimbe
  • Sinicuichi 


If you have any questions or concerns, or want any clarification in any way about your current medical status and if you are suitable to take Ayahuasca and attend one of our Master Plant retreats, please speak to your doctor and contact us directly.

At the end of the day, we’re here to help you, so please just disclose everything to us about your current medical status and any medications you are taking, and we’ll do our best to accommodate your specific situation, if possible.
If in doubt, please contact us before applying.