You may remember when you went to see a doctor and got a small cut or scrape on your skin that was starting to fester, and they sometimes gave you a purple-red liquid to apply. This is often called 'Castellani Paint'. The main ingredient in this medicine is Phenol. So today, let's talk about what this phenol liquid is, how exactly it is used, and what are the important things you need to know about it.
What is Phenol?
Simply put, phenol is an antiseptic . This means that it can kill small germs, such as bacteria and fungi, on the surface of the skin. This is why doctors use it as a treatment for minor skin infections.
The main function of this is to control the germs present at the infected area, keep the area dry, and help the wound heal faster. The bottle you receive may say 'Castellani Paint'. That is the popular brand name for this medicine.
Things to tell your doctor before using this medicine
Before your doctor prescribes this medication, it is very important to inform him about any health conditions you have, as this information will help the doctor decide whether this medication is suitable for you or not.
Remember, don't hide anything from your doctor. It's very important for your safety.
| Situation to be reported | Why is that important? |
|---|---|
| If you have large areas of burned or injured skin on your body. | Applying the medicine to large wounds can cause the body to absorb more of the medicine. Therefore, you should tell your doctor about this. |
| If you have an allergy to phenol or other medicines, foods, or preservatives. | If you have allergies, using this medicine may cause a severe allergic reaction. |
| If you are pregnant or trying to get pregnant . | You should be very careful when using any medication during pregnancy. So, inform your doctor about this. |
| If you are a breastfeeding mother . | Some medications can pass to the baby through breast milk, so be sure to tell your doctor about this as well. |
How exactly do you use this?
This is very simple, but very important.
- For external use only: This medicine is for topical use only. It should not be ingested or taken by mouth for any reason.
- Wash your hands: Wash your hands thoroughly with soap and water before and after applying the medicine. However, if you are applying the medicine to a wound on your hand, wash your hands only before applying it.
- Be careful with your eyes: Be careful not to get any in your eyes. If you accidentally get any in your eyes, immediately open your eyes and rinse them thoroughly with clean water for several minutes.
- Apply as a thin film: When applying the medicine, do not apply it in a thick layer. As the doctor has said, you should apply it as a thin film on the infected area.
- Use in children: Even for children over 2 years of age, doctors sometimes recommend this medicine in special cases. But only the doctor should decide on this. Therefore , do not give this to a small child at your own discretion. Be sure to seek medical advice.
What if the dose of the medicine increases or someone drinks it?
This is a very serious situation. If someone, especially a small child, accidentally takes this medicine, or if you suspect that too much has been applied to the skin, do not waste any time.
- Immediately call the National Poison Information Center at the Colombo National Hospital .
- Otherwise, take the patient to the nearest hospital's Emergency Treatment Unit (ETU) immediately.
This medicine is only for you. Only for your condition. Even if someone else has the same skin problem, do not give this to them. The medicine that works for everyone may be different.
What side effects can be expected?
Like any medicine, phenol can cause side effects in some people. Some of these are serious, while others are mild.
| Side effects that should be reported to a doctor immediately | |
|---|---|
| Allergic Reactions |
If you notice any of these symptoms, stop taking the medication and see a doctor immediately. |
| Things that are usually nothing to worry about, but should be mentioned to the doctor if they persist | |
| Skin discoloration | The skin may change color slightly where the medicine was applied. This is usually nothing to worry about. However, if it persists or if it bothers you, tell your doctor. |
One more thing: If this medicine gets on white clothes, the spot may turn yellow. But don't worry, you can remove the stain by washing it with regular laundry soap or powder.
How do I store and dispose of this medicine?
Storage
- Keep it away from children and pets. This is very important. Keep it in a place where children cannot easily reach it, like in a cupboard.
- Store at room temperature. That means between 20 and 25 degrees Celsius. Simply put, keep it in a normal room, away from excessive sunlight, heat, and cold.
- Do not use expired medicine. Check the expiration date on the bottle and be sure to throw it away if it has passed that date.
Removal
Simply throwing expired medicine in the trash or flushing it down the toilet is not good for the environment. So do this:
1. If possible, ask your doctor or a hospital/pharmacy how to properly dispose of these.
2. If there is no such method, mix the remaining liquid in the bottle well with something like used coffee grounds, some soil, or cat litter.
3. Place this mixture in a sealable plastic bag, then throw it in the trash.
Take-Home Message
- Phenol is a topical antiseptic. It is used for minor skin infections. Never drink it.
- Before using the medication, be sure to tell your doctor about any allergies you have and if you are pregnant or breastfeeding.
- Apply a thin film as directed by the doctor. If it gets in your eyes, rinse immediately with water.
- If you experience severe allergic symptoms such as skin swelling or hives, stop using the medicine and see a doctor immediately.
- Always keep this medicine in a safe place out of the reach of children.
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