It can be both poison and medicine.

Medicines restore, preserve, and improve a person's state of health.

However,The wrong dosage, taken in the wrong way, or incompatible with an individual's constitution, can also be "poison" that can adversely affect one's physical condition.

In general, side effects of ethical drugs can be checked in the "drug insert.

The problem is that many side effects are newly discovered and listed as "additional" after the drug is launched.

It means that some of the drugs on the market do not list the newly added side effects.

Pay attention to the information on side effects and do not hesitate to consult your doctor or pharmacist if you experience any symptoms of suspected side effects after taking the drug or if you have any concerns.
Please be aware of new side effects so that you can be "moderately" afraid of them, not excessively.

Medications are by far more effective than adverse events.

Resale of prescription medicines.　

There is a risk that it may not match the individual's constitution, which in turn may worsen his or her condition. In the worst case, there is concern that it could be life-threatening.

If a general person who is not licensed to sell pharmaceuticals sells pharmaceuticals on a "social networking service（SNS）" he or she may be in violation of Article 24, Paragraph 1 of the Pharmaceutical Affairs Law. In this case, the offender may be sentenced to imprisonment for not more than ３ years or a fine of not more than 3 million yen, or both (Article 84, Item 9 of the Pharmaceutical Affairs Law).

Do not purchase resale items.

There is a concern that the drug will be overwhelmingly less effective than the adverse event and will instead worsen the disease.