Which of the following is a common contraindication for Swedish massage?

Skin infections, open wounds, or recent surgeries are considered common contraindications for Swedish massage because they pose significant risks to the client’s health and safety. When a client has a skin infection, there is a potential for the infection to spread, either through direct contact or via the therapist's hands. Open wounds can lead to complications, such as increased pain, risk of further injury, and potential exposure to pathogens. Moreover, recent surgeries may involve delicate healing tissues that could be disrupted by massage techniques, leading to complications like increased inflammation or delayed healing.

The other options, while potentially relevant in certain contexts, do not generally warrant the same level of caution as option B. Muscle stiffness, general fatigue, and mild headaches can often be alleviated through appropriate massage techniques, making them less critical in terms of immediate contraindications.