Molluscum Contagiosum: Transmission and Prevention Tips - Urology

Share to:

Molluscum contagiosum


Is molluscum contagiosum contagious only when lesions are present? If a person touches a lesion but does not show symptoms for a period of time, can that area still be contagious? How long after touching a lesion can cleaning reduce the risk of infection? If the lesion is covered with breathable tape or a band-aid, can the virus be transmitted through wet tape or band-aid? Can alcohol kill this virus?

A Jun, 30~39 year old female. Ask Date: 2022/01/21

Dr. Du Shixi reply Urology


Hello, Doctor.
Is molluscum contagiosum contagious only when lesions are present? -- No, but the presence of lesions increases the chance of contact.
If a lesion has not yet developed, can that area still be contagious after some time? -- It is safer to monitor for six months before considering it non-contagious.
How long should one avoid touching the lesion to reduce the risk of infection? -- It depends on individual circumstances, including viral load and immune response.
If the lesion is covered with breathable tape or a bandage, can the virus still infect someone if the tape or bandage becomes wet? -- There is still a possibility of transmission.
Can alcohol kill the virus? -- Alcohol can kill the virus, but if warts are present on the body, they need to be treated with methods other than alcohol.
Wishing you good health.

Reply Date: 2022/01/21

More Info


Molluscum contagiosum is a viral skin infection caused by a poxvirus, which primarily affects the skin and is characterized by small, raised, pearl-like bumps. Understanding its transmission and prevention is crucial for managing the spread of this condition.

1. Transmission: Molluscum contagiosum is contagious and can be transmitted through direct skin-to-skin contact with an infected person or by touching contaminated objects, such as towels, clothing, or gym equipment. The virus can be present in the lesions, which means that the presence of visible bumps is a clear indicator of potential transmission. However, it is important to note that the virus can also be present in the skin even before the lesions become visible, which means that a person can be contagious even if they do not show any symptoms yet.

2. Incubation Period: After exposure to the virus, it can take anywhere from two weeks to six months for the lesions to appear. During this incubation period, the virus can still be present in the skin, and there is a risk of transmission if the area is touched. Therefore, if someone has been in contact with a person who has molluscum contagiosum, they should be cautious and monitor for any signs of the infection.

3. Cleaning and Hygiene: To reduce the risk of infection after touching a lesion, it is advisable to wash the area thoroughly with soap and water as soon as possible. This should ideally be done within a few hours of contact. Regular hand washing and avoiding sharing personal items can also help prevent the spread of the virus.

4. Covering Lesions: Covering the lesions with breathable tape or bandages can help prevent the spread of the virus. However, if the tape becomes wet, it may not provide adequate protection, as moisture can create an environment conducive to viral transmission. It is best to change the covering regularly and keep the area clean and dry.

5. Alcohol and Disinfection: Alcohol-based hand sanitizers and disinfectants can kill many viruses and bacteria, but their effectiveness against molluscum contagiosum specifically is not well-documented. While alcohol may help reduce the viral load on the skin, it is not a guaranteed method for eliminating the virus. Therefore, maintaining good hygiene practices and avoiding direct contact with lesions remains the most effective prevention strategy.

6. Prevention Tips: To prevent the spread of molluscum contagiosum, individuals should:
- Avoid direct skin-to-skin contact with infected individuals.

- Do not share personal items such as towels, razors, or clothing.

- Keep the affected area covered and avoid scratching or picking at the lesions.

- Practice good hygiene, including regular hand washing and cleaning of shared surfaces.

In summary, molluscum contagiosum can be transmitted through direct contact with lesions or contaminated objects, and individuals can be contagious even before visible symptoms appear. Maintaining good hygiene, covering lesions, and avoiding contact with infected individuals are key strategies for preventing the spread of this viral infection. If you suspect you have been exposed or are experiencing symptoms, it is advisable to consult a healthcare professional for appropriate diagnosis and management.

Similar Q&A

Understanding Molluscum Contagiosum: Risks, Transmission, and Treatment Options

Around February 14, I discovered three small bumps at the base of my penis, resembling grains of rice. As of March 30, they have not changed in size or number, but I still went to see a doctor. However, the doctor was quite busy and advised against any tests, suggesting it could ...


Dr. Du Shixi reply Urology
Hello: There are hundreds of types of warts, with at least several dozen that can appear on the human body. 1. Besides sexual contact, are there other ways to contract molluscum contagiosum? I'm worried about transmitting it to my family. For example, if I touch a wart and...

[Read More] Understanding Molluscum Contagiosum: Risks, Transmission, and Treatment Options


Understanding Molluscum Contagiosum: Symptoms, Size, Duration, and Treatment

I would like to ask about the symptoms of molluscum contagiosum. How big do the lesions typically get? Do they continue to increase in number? How long do they usually last? Is molluscum contagiosum classified as a sexually transmitted infection or a skin disease? If I have it, s...


Dr. Huang Ruiyun reply Dermatology
1. Most are around 2-3 mm. Diagnosis should be determined by a physician; many people tend to worry and assume that all small bumps are pathological lesions. 2. Not necessarily. 3. Not necessarily. 4. Children can transmit infections to each other while playing; if the lesi...

[Read More] Understanding Molluscum Contagiosum: Symptoms, Size, Duration, and Treatment


Coping with Molluscum Contagiosum: Personal Experiences and Advice

I recently saw a doctor and my little brother has molluscum contagiosum. The doctor said not to worry too much, but I am still very concerned and scared. I haven't had much of an appetite lately and I don't dare to tell my family. Has anyone experienced this condition? ...


Dr. Li Yilun reply Urology
Infectious warts, commonly referred to as genital warts, are a type of sexually transmitted infection that cannot heal on its own. You have currently used topical medications for treatment, while other therapies include electrosurgery or cryotherapy. If the infected warty lesions...

[Read More] Coping with Molluscum Contagiosum: Personal Experiences and Advice


Managing Molluscum Contagiosum and Related Skin Concerns

1. Doctor, I have noticed that my molluscum contagiosum has increased significantly, and I also see mild acanthosis nigricans on the back of my hand. I am very concerned and have been washing my hands frequently. How can I treat the acanthosis nigricans while I have the warts? 2...


Dr. Wu Yuxin reply Dermatology
1. Minimize contact with cleaning agents and apply hand cream frequently. 2. There are no significant issues. 3. You can gently scrape it off first. 4. It is recommended to apply it daily.

[Read More] Managing Molluscum Contagiosum and Related Skin Concerns


Related FAQ