How do I know if I have myelofibrosis?

Condition analysis:
Thanks for the query. It is not a sign of myelofibrosis. Gout needs to be investigated. 

Do you have any bone pain in the spine, breast bone, limbs?

Are you anemic?

Have you lost weight of feel weak recently?

Usually myelofibrosis is associated with severe anaemia, weakness, liver and spleen enlargement and abdominal distension.

It does not cause pain in the toes because that is not or very very rarely affected in myelofibrosis or related disorders.

It is possible that you may be having Gout due to increased Uric acid in the blood. Avoid eating meat, chicken, meat or chicken gravies, Spinach, avocado, fish, beer or alcohol, smoking. Drink plenty of water.

Get tested for Serum uric acid. Avoid wearing hard footwear, apply ice to the painful regions, keep the limbs elevated. Take Tablet Ibuprofen 400mg twice a day for 5 days. Get an Xray of the toes and feet as well.

Instructions:
What you can do
-- Be aware of any pre-appointment restrictions. At the time you make the appointment, be sure to ask if there's anything you need to do in advance, such as restrict your diet.
-- Write down any symptoms you're experiencing, including any that may seem unrelated to the reason for which you scheduled the appointment.
-- Write down key personal information, including any major stresses or recent life changes.
-- Make a list of all medications, as well as any vitamins or supplements, that you're taking.
-- Take a family member or friend along. Sometimes it can be difficult to remember all the information provided during an appointment. 
-- Write down questions to ask your doctor.