Can You Get Warts from Eating with Infected Hands? Common Concerns Explained - Urology

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Feeling a lump in the throat?


Hello Doctor, I am the one who was worried about getting a viral wart from my colleague.
Recently, some events have occurred:
1.
Last Sunday, while I was eating, a grain of rice fell on my palm, and I directly picked it up with my mouth and ate it.
If my palm was infected with a viral wart but showed no symptoms yet, could I have infected my mouth, throat, or esophagus by eating the rice directly from my palm?
2.
Today, I have been swallowing saliva forcefully, and my throat feels a bit uncomfortable.
Is it possible that I have a viral wart infection in my throat or esophagus?
3.
Could my throat discomfort be unrelated to the actions I took three days ago and not due to a viral wart infection? (Since viral warts typically do not develop that quickly, right?)
4.
Is it possible for me to infect my mouth, throat, or esophagus with a viral wart by eating rice directly from my palm, even if my palm shows no symptoms but may be infected?
5.
If a person with a viral wart lightly touches me for about one second, is there a risk of transmission?
6.
If I wash my hands immediately afterward with regular soap, is it effective in removing the viral wart virus?
7.
Is there a high likelihood of transmitting the virus to others or to other areas before any symptoms appear?
8.
Can lesions appear just one week after contact with a viral wart?
9.
If I directly use my hands to eat, could I ingest the viral wart virus and subsequently develop warts in my esophagus? Are there any documented cases of this?

Niming, 20~29 year old female. Ask Date: 2019/08/28

Dr. Du Shixi reply Urology


Hello: 1) It is possible if there is a sufficient viral load, but it will not grow that quickly.
2) Please consult an otolaryngologist.
3) The incubation period is from 3 weeks to 8 months.
4) Check if the viral load is sufficient.
5) Monitor the viral load.
6) Proper handwashing is sufficient (search online for proper handwashing techniques).
7) There is potential for transmission during the incubation period.
8) Uncertain.
9) Not understood, but you can refer to the following: http://www.derma.org.tw/CKEdit/upload/files/04.pdf Source: Dermatological Society website inquiry: Human Papillomavirus Infection of the Genitalia (commonly known as genital warts).

Reply Date: 2019/08/28

More Info


Warts are benign growths on the skin caused by the human papillomavirus (HPV). They are typically not transmitted through food or by eating with infected hands, but rather through direct skin-to-skin contact with an infected person or surface. Let’s address your concerns one by one.

1. Eating Food Dropped on Your Hand: If you accidentally dropped food on your hand and then ate it, the risk of contracting warts from this action is extremely low. Warts are not transmitted through saliva or ingestion. The HPV virus that causes warts primarily requires direct contact with the virus from an infected surface or person. If your hands were not visibly infected or had no warts, the likelihood of transferring the virus to your mouth through this method is negligible.

2. Sore Throat After Swallowing: A sore throat can arise from various causes, including viral infections, allergies, or even irritation from swallowing. It is unlikely that your sore throat is due to HPV or warts, especially since warts do not typically cause symptoms until they are fully developed. If you are experiencing discomfort, it may be related to a common cold or another viral infection, rather than an HPV infection.

3. Timing of Symptoms: HPV typically has an incubation period of several weeks to months before warts appear. Therefore, it is improbable that your throat discomfort is a direct result of the actions you described three days ago. If you were to contract HPV, you would not see symptoms so quickly.

4. Ingesting Food with Potential Virus: As mentioned, the risk of contracting warts through ingestion is very low. HPV does not survive well in the digestive tract and is not transmitted through food. Therefore, eating food that may have touched your hand, even if there was a risk of HPV, would not lead to infection in your mouth or throat.

5. Transmission through Brief Contact: HPV is primarily spread through direct contact with warts or infected skin. A brief touch (like one second) is unlikely to transmit the virus unless there is direct contact with a wart. The virus does not linger in the air or on surfaces for long periods, making casual contact less of a concern.

6. Effectiveness of Handwashing: Washing your hands with soap and water is effective in removing many pathogens, including HPV. Regular hand hygiene is crucial in preventing the spread of infections. If you wash your hands thoroughly after potential exposure, you significantly reduce the risk of transmission.

7. Asymptomatic Transmission: HPV can be transmitted even when warts are not visible, but this is more common through direct skin contact rather than through surfaces or food. The risk of transmission is higher in situations where skin is in contact with skin.

8. Incubation Period: As mentioned, HPV typically does not show symptoms immediately. It can take weeks to months for warts to develop after exposure, so a one-week timeline for symptoms is unlikely.

9. Eating with Infected Hands: There are no documented cases of warts developing in the esophagus or throat from ingesting food that has touched infected hands. The virus does not thrive in the digestive system, and warts are localized skin infections.

In conclusion, while it’s understandable to be concerned about potential infections, the specific scenario you described poses a very low risk for contracting warts. Maintaining good hygiene practices, such as washing your hands regularly and avoiding direct contact with warts, is the best way to prevent HPV transmission. If you continue to experience throat discomfort or have other health concerns, it would be wise to consult a healthcare professional for further evaluation.

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